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Question:
I
found an orphaned or injured opossum. What should I do?
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Answer: First,
we would like to thank you for helping the opossum. Second,
please read the section titled “Found an Orphaned or
Injured Opossum?” for information about what to do
next. For help locating a wildlife rehabilitator near you please
see the nest question and answer.
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Question:
How do
I locate a wildlife rehabilitator?
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Answer: If
you live in Orange or Los Angeles Counties in California then
contact your local animal shelter and ask for a referral to an
O.S.U.S. volunteer. Outside of these areas you can contact your
local veterinarian, animal control or your state’s department
of wildlife for a referral to a rehabilitator near you. Please
ask and make sure they do not have a policy of euthanizing all
opossums! We will be happy to assist you in locating a wildlife
rehabilitator by email if you provide your city and a list of
cities near you. Please be advised that we are volunteer based
and so there may be delays in answering email. If immediate
assistance is needed then do not wait for a response from
O.S.U.S. To find a local wildlife rehabilitator please click the
link to search the
contact
list by state.
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Question:
Are opossums
related to rats?
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Answer:
No! Despite their rat-like appearance, opossums are not
related to rats at all. Opossums
are marsupials, or pouched mammals. Marsupials carry young in a
pouch on the abdomen of the female. Relatives include the koala
and kangaroo. The opossum holds the distinction of being North
America’s only marsupial!
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Question:
Can I keep an
opossum as a pet?
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Answer: No.
All wild animals belong in the wild. Give the opossum the chance
to live the life nature intended…in the wild. In most states
it is illegal to be in possession of a wild animal without the
proper permits. If the opossum is an orphan or injured then seek
immediate assistance. Read the “Found
an Orphaned or Injured Opossum?”
section. Otherwise, release the animal. Also, read the
information in the next two sections for more reasons why you
should not attempt to raise it unless you are properly trained.
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Question: Can
I raise a baby opossum and release it back into the wild myself?
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Answer:
It is not in the best interest of the animal and it is
illegal, in most states. Raising wild animals is not the same as
raising a puppy or kitten. If not fed the proper diet or if
early signs of illness are not recognized then the opossum will
suffer and possibly die. Remember, they are wild animals. They
will not show you when they are sick, as a dog would.
This does not mean we do not want you to raise opossums,
only that you must be properly trained first! Contact OSUS or a
local wildlife rehabilitator for volunteer opportunities.
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Question:
I
have been raising an opossum since it was a baby. Now it can’t
walk. What is wrong?
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Answer:
This is a common problem occurring all too frequently when the
well-meaning but untrained public tries raising wildlife. Most
likely the opossum is suffering from a diet-induced disorder.
The opossum may have what is known as Metabolic Bone Disease (MBD),
also known as rickets, osteomalacia and secondary nutritional
hyperparathyroidism. Opossums have specific dietary needs which
must be met or crippling and/or life-threatening disorders will
develop. MBD is preventable! If the opossum does not receive an
adequate amount of calcium and in the correct calcium to
phosphorous ratio then MBD is highly likely to be the cause.
Common signs of MBD include weakness, anorexia, inability to
grip, unable or unwilling to move, a bowlegged or
“frog-like” appearance, brittle and easily fractured bones,
bone deformities, swollen joints and a “rubber jaw”. In more
severe cases the internal organs will be affected and death may
occur. Contact a local wildlife rehabilitator or veterinarian
immediately. The opossum must be properly diagnosed and then
receive a correct diet in additional to any necessary treatments
and supportive care.
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Question:
There
is an opossum in my yard.
What do I do?
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Answer: Nothing.
Leave it alone. If it is injured or orphaned then read the “Found
an Orphaned or Injured Opossum?” section. Otherwise,
enjoy watching wildlife in your own backyard! Opossums are
beneficial: eating the harmful, unwanted pests around your home
such as snails, slugs, spiders, cockroaches, rats, mice and
snakes. Think of the opossum as your free gardener. The opossum
is known as “Nature’s Little Sanitation Engineer” for a
good reason!
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Question:
There
is an opossum in my house or garage. What do I do?
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Answer: First
contact your local animal shelter to determine if an officer
will assist you. Always make sure the opossum will not be
trapped and killed!
An
opossum can safely be trapped by leaning an empty, tall kitchen
trash can at approximately a 30-45º angle against something the
opossum can climb onto such as a stack of books. Place cat food
or ripe fruit at the bottom of the trash can. The opossum will
be able to climb into the trash can but will be unable to climb
or jump out. Immediately take the trash can outside. Tip the can
on its side and the opossum will leave when it feels it is safe
to do so. This is best done at dusk. If it has to be done during
the day then tip the opening towards a dense shrub where the
opossum can hide until nightfall.
You
can also try to leave a trail of pet food leading to an open
door. Observe quietly at a distance. Once it leaves, shut the
door. Do not try to push the opossum with a broom. The
frightened animal will freeze and not move.
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Question:
How
do I keep the opossums out of my home and garage?
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Answer:
Close all doors, pet doors and unscreened windows from
dusk to dawn. Put food away so that the opossum will not be
tempted to enter.
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Question:
There is an opossum in my attic or under my house or deck. What do I do?
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Answer:
First you must locate the access hole(s) the opossum is using to get
under or into your house, or under your deck; check all vent
screens. Then purchase and have the material handy
to replace or repair the screen, stucco, wood or other material
that is in disrepair. There is no need to exclude the
opossum if you aren't going to correct the attraction.
Wad up and lightly stuff newspaper in the breach of the hole.
Sprinkle a layer of flour around the entrance.
Wait for the opossum to leave at night. Opossums are nocturnal
and will leave shortly after sundown to hunt for food. Check
frequently for the newspaper to have been pushed out and for tracks in
the flour leading away from the hole to ensure the opossum has left.
Once it leaves, seal the entrance thoroughly if you cannot immediately
complete the repair at that moment. If you see tracks
returning to the hole then do not seal; there is an animal in
there. Make sure there are no young left behind before
sealing or the animals will die. It is best if you can
wait until the non-breeding season (usually October to December)
before sealing an area in order to give the young a chance to
leave. Remember, if an opossum should become trapped
after an area is sealed you will end up with an awful smell and
additional expense removing the seal and then resealing after the
body is removed.
If the opossum is using a tree to access the hole, cut the branch
away from the house after the opossum leaves. Opossums cannot jump
so trim back enough just so they can't reach by stretching. Allowing
branches of trees to touch your house also gives bugs access to your roof area
which will attract the opossum and other animals as a food source.
You must keep up your house in its originally pest-proof state.
Not doing so will provide (or maybe is already providing) other animals to
seek refuge including: skunks, raccoons, mice, rats.
If your home is so old that it was never built to exclude animals, contact
your local pest control for them to come out and "pest-proof" your home by
exclusionary methods. Most pest control companies will humanely
trap and release large mammals from your property also. Ask them
what they do with the animals before you enlist their services.
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Question:
How do I
trap and relocate an opossum? |
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Answer:
Do not trap!
Opossums are normally transient animals, staying only 2-3 days
in an area before moving on. Removal is neither necessary nor
desirable. If opossums were eliminated from an area, the
population of roof rats and other pests would proliferate.
Opossums serve an important role by controlling the unwanted,
harmful pest population around our neighborhoods. So now we
should ask you a question. After learning about the benefits
opossums provide, why would you want to trap and remove an
opossum?
Trapping and relocating does not work.
If you are determined to remove an opossum then encourage
it to do so on its own by removing whatever is attracting it to
your area. You must determine what is attracting the opossum to your
area and remove the attractants or other opossums and animals
will come and fill the vacated niche. Opossums are usually
attracted by pet food left outside and dense shrubs to hide
under.
·
Do not
leave pet food out at night
·
Do not
leave garage doors, pet doors or unscreened windows open at
night.
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Do
pick up fruit that has fallen from trees.
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Do
cover garbage cans at night.
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Do
clear dense bushes, woodpiles and other hiding places.
If
you are determined to trap then please contact a humane trapper.
Make sure the opossum will be trapped safely in a humane trap
AND released unharmed. Please do not trap during the spring to
fall baby season or animals may become orphaned and die. In California; Los Angeles, Ventura and parts of Orange county refer to Humane Control.com
For a nationwide list of humane trappers, refer to Wildlife Removal.com
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Question:
I
saw an opossum on the road. What should I do? |
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Answer:
If safe to do so, pull over and move the body to the side
of the road. If alive then seek immediate assistance. If it is a
deceased female then check the pouch for any live young. If
found then wrap in a soft, ravel-free towel and transport to a
wildlife rehabilitator immediately. Young opossums can not
survive long outside the pouch environment. For more information
read the “Found an Orphaned or Injured Opossum?” section.
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Question:
I
think there is a dead opossum in my yard. What do I do? |
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Answer:
Give
the opossum the benefit of the doubt. It may not be dead!
Many opossums will “play ‘possum” when extremely
frightened. They will appear dead. If found then leave the area,
put dogs in the house and give the opossum a chance to recover.
It may take anywhere from a few minutes up to 4 hours.
Generally, the ears will start to wiggle when the opossum is
about to revive. Please do not immediately place the opossum in
a plastic bag or garbage can. If after 4 hours there is no
movement or signs of life then contact animal control for
disposal. For more information or to see an actual photo of an
opossum “playing ‘possum” read the “Opossum
Defense Mechanisms” section.
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Question:
How
do I prevent an opossum from drowning in my pool? |
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Answer: Many
opossums fall into a pool as they attempt to drink water. If
unable to climb out then the opossums will drown. There
are several things you can do to prevent drownings. If possible,
keep swimming pools and hot tubs covered at night. Also, try
placing a bowl of water nearby so that the opossum will not be
tempted to drink from the pool and fall in.
Make
“opossum pool ladders” by draping 12 inch wide small mesh
netting, towels, or other easy to grip item over the side of the
pool. Attach these items to the top of the pool by tying to a
pool ladder, tree or other firmly anchored item or clamp to the
side of the pool. Sinkers or a weighted object will help hold
the opposite end of lightweight mesh netting under water. Place
several “opossum pool ladders” around the pool, at least 1
every 3 feet. You can also place 2 inch by 4 inch planks of wood
in the pool, leaning out onto the side of the pool. Styrofoam
kick boards or rafts can also be placed in the pool. The opossum
may be able to climb on one and float until found.
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Question:
Opossums make my dog
bark! |
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Answer:
A dog will bark at anything it sees or hears. The best
thing you can do for the opossum AND your neighbors is to
train the dog or keep the dog indoors at night. This will
prevent the dog from injuring or killing the opossum. If not
possible then confine to the garage or a run. Also, read the
answer below.
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Question:
Opossum
Pooping in yard |
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Answer:
An
opossum won't poop all over the yard, it will poop in a secluded
area (they don't like to be out in the open at all) surrounded
by at least two shields.
They like to poop
in piles of leaves or other rotting foliage, they also tend to
poop right after they eat or drink, so if there's a food or
water source left out in your backyard all night, they would be
attracted to it. Keep
your yard clean of leaves and debris.
Keep
the opossum from entering your yard at all. Keep all trees and
shrubbery trimmed away from the fence. Don't leave out any
food source or fallen fruit from trees. Make sure your
sprinklers come on just after dawn (optimum time for plant
absorption anyway) so that no water is pooled up around the
sprinkler head for opossums to use as a water source.
Some people have suggested
placing mothballs around, mothballs are toxic and if left
outside will seep into the soil and into the ground water
system, polluting the environment.
I have heard of people
having success leaving “predator feces” along their fence
line, so opossums will not enter their yard.
Visit your local zoo or animal exhibit and ask for a
small amount of fox, coyote, mountain, bobcat, etc. feces to
strategically place in access points to your yard.
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Question:
My dog
kills opossums. What can I do? |
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Answer: Keep
the dog indoors at night. This way the dog will not be able to
injure or kill the opossums. Take the dog outside on a leash
to do his “business”. If not possible to keep the dog
indoors, then confine the dog to the garage or a run from dusk
to dawn. If again
not possible, then place a few large PVC pipes (8 inch diameter,
5-6 feet in length) in the yard. This will provide the opossum
with a place to escape, should an attack occur. Remove pet food
and other attractants from your yard to encourage opossums to
move on.
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Question:
My
neighbor kills or tortures animals. What can I do? |
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Answer:
Whether it is an opossum, a dog or a cat this is animal
abuse and is illegal. Please report the incident to your local
animal control, police and your state’s department of
wildlife. Follow up. Be persistent if you have to. OSUS will be
happy to assist you. However, the initial complaint must be
filed by you, the witness.
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Question:
I
see an opossum sharing a food dish with my cat. Is this normal? |
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Answer:
Opossums are very opportunistic animals. If food is
available, they will eat. We receive numerous pictures of
opossums sharing a bowl of cat food with an outdoor cat. Adult
cats and opossums seem to tolerate each other. Feeding wildlife
is not recommended.
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Question:
Will an opossum
attack my pets? |
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Answer:
It is more likely that a dog will injure or kill an
opossum. A cat may attack and kill young rat-sized opossums.
Adult opossums and cats seem to have a mutual respect and leave
each other alone. In general, opossums are docile,
non-aggressive animals and will not attack your pets. They
prefer to escape and avoid confrontations, if possible. If not,
the threatened opossum may “play ‘possum”, show its teeth,
or bite in self-defense, as any animal would.
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Question:
Will an
opossum bite my children? |
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Answer:
Children should be taught not to attempt to feed or touch
a wild animal. Opossums are nocturnal, that is they sleep during
the day and come out at night, so the chance that a small child
will come into contact with an opossum is slim. Opossums prefer
to sleep in dark, secluded places. If your children play in this
type of an area then there is greater danger of being bitten by
a poisonous spider or snake.
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Question:
I
heard horses could get EPM from opossums. True? |
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Answer: Equine
Protozoal Myeloencephalitis (EPM) is a neurological disorder
caused by a parasite. The opossum and a parasite called Sarcocystis
neurona have been implicated although current research
suggests other hosts and other parasites may be involved in
disease transmission. The infective form of the parasite is
passed in the feces. If a horse eats contaminated feces then it
could develop neurological signs. It should be noted that the
majority of opossums are probably not shedding the infective
parasite and that of the horses exposed to the parasite, very
few will develop EPM.
There
are steps you can take to reduce the risk of EPM. Keeping all
animals away from horses is advised. Do not kill or trap
opossums. This will not work. Unless you remove what is
attracting opossums and other animals to your yard then more
animals will come. The best thing to do is to encourage animals
to leave the area on their own by removing the attractants. This
is usually food. Do not leave food outside. Do not leave food
for the barn cats at night. Feed cats during the day. Cover
garbage cans. Pick up fallen fruit. Cover horse’s feed and
grain bins. Do not allow horse to feed off the ground. Place
feed in troughs above the ground. Change water frequently.
Remove animal hiding places such as dense shrubs and woodpiles.
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Question:
Opossums
eat the fruit off my trees. How can I stop them? |
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Answer:
Opossums prefer to eat the rotting fruit that has fallen
to the ground. Keep opossums out of fruit trees by cutting
branches away from the ground, fences and roof. Cover the trunk
with heavy plastic sheets or thin metal sheets obtained at
hardware stores and secure with duct tape. This will prevent the
opossum from climbing. A cut-up plastic trash can will work.
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Question: I
think opossums are digging holes in my roof or yard. |
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Answer:
The damage is not
likely to be caused by opossums. Opossums have soft, delicate
hands with nails that are easily ripped out. They are not
capable of doing a lot of digging. Other animals are more likely
to be causing the damage. Opossums are very opportunistic
animals and will often move into a hole created by another
animal. The opossum is often the animal observed and assumed to
be the cause of the holes.
Please see our Opossum Paws page for
pictures and more information.
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Question:
If
opossums are nocturnal then why do I see one in the day? |
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Answer:
There are a number of reasons for opossum sightings
during the day. If it is winter in an extremely cold area,
usually covered with snow, then the opossum may be hungry. It is
often difficult for an opossum to find food in extremely cold,
snowy areas. During sever weather the opossum may stay in a den
a few days until hunger drives it out of hiding. The opossum may
have to forage for food during the day, often while it is
warmer. During the
spring or summer months a female opossum laden with young must
spend more time foraging for food and may be seen during the
day. Also, an opossum’s daytime hiding area may be disturbed,
often by the presence of a dog or children throwing a ball into
a bush. The frightened animal will run out and search for a new
hiding place. Other possibilities include a blind opossum or a
sick or injured opossum. If you suspect the opossum is not
healthy then contact a local wildlife rehabilitator.
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Question:
What sounds do
opossums make? |
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Answer: Opossums make
few sounds. You may hear a “choo choo” or a sneezing sound.
These are sounds made by the young when separated from the
mother. The mother will make “clicking” sounds with her
tongue in response to the calls made by the young. Also, male
opossums will make the same “clicking” sound primarily
during mating season. In addition, when an opossum is threatened
it can make some low growling or hissing sounds. Sometimes you
may a lot of growling and hissing and see one opossum is biting
another or on top of another. They are probably not fighting.
They may be mating.
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Question:
Do opossums carry rabies? |
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Answer: Any mammal can
get rabies. However, the chance of rabies in an opossum is
EXTREMELY RARE. This may have something to do with the
opossum’s low body temperature (94-97º F) making it difficult
for the virus to survive in an opossum’s body.
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Question:
Can I get
a disease from an opossum? |
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Answer:
A zoonotic disease is a diseased passed between animals
and humans. There
are diseases you can get from any animal, including pets. As
long as you exercise common sense then the chance of getting a
disease from an opossum is slim. Do not attempt to pet or get
too close to the opossum. As mentioned in the question and
answer above, rabies is extremely rare in the opossum.
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Question:
I
sent an email and an attachment but it was not answered. Why? |
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Answer:
EVERY email is answered! Your comments and questions are
important to us. Most emails are answered within 24 hours. If
you have an emergency situation regarding an orphaned or injured
opossum then please do not wait for us to get back to you.
Contact a local wildlife rehabilitator immediately. If you have
waited several days without a response then the problem may have
been an error with the email network. Occasionally answered
emails are returned to us undeliverable. Please try again and
make sure you have no email blocks. We are a volunteer
organization so occasionally there may be delays in responses.
Your patience is appreciated.
Please
understand that we can not accept email attachments due to the
risk of a virus. If you would like to send photos or other items
please do! Send to:
O.S.U.S.
P.O. Box 16724
Irvine, CA 92623
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Question:
I
would like more information about opossums. |
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Answer:
No problem! Join the Opossum Society of the United States
(O.S.U.S.) and receive valuable opossum information in addition
to a number of volunteer opportunities. Check out other
informative pages on our web site.
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Question:
How
can I become a licensed wildlife rehabilitator? |
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Answer:
If interested in becoming
a licensed wildlife rehabilitator then contact your state’s
department of wildlife for information about requirements and
obtaining permits. Rules and requirements vary by state. Make
sure you have the financial means, space, time and dedication
before making the commitment to enter the wildlife
rehabilitation profession. Gain valuable hands-on experience and
knowledge by volunteering with a local wildlife organization or
individual wildlife rehabilitator.
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