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The long term care of captive wildlife involves time, attention
to detail and, if the animal requires foods that are not in season,
inconvenience and expense.
Many rehabilitation centers rely on education animals to impart
to adults and children alike the lessons so necessary to ensure
the continuation of wild species and wild places. By displaying
these animals and describing their injuries, conservation status,
conflicts with humans or domestic animals and their natural history,
rehabilitators create an opportunity to change minds and policies.
Education
animals are often described as wildlife ambassadors, and as such,
they do much to further understanding and instill compassion in
those who meet them. However, these animals make the sacrifice of
life-long captivity. Some are displayed only at the rehabilitation
center, while others travel to classrooms, television stations and
public events. Many rehabilitators take pains to ensure that education
animals are conditioned to crowds, noise and travel. They minimize
stress and handling or, if the animal is on display, ensure it has
as much privacy and normalcy as possible.
While some education animals are non-releasable as a result of
imprinting, others have injuries that render them unable to survive
in the wild. Often, the initial injury worsens or causes distress
and discomfort as the animal ages. Therefore, lifetime captive animals
require and deserve good veterinary care, excellent husbandry and
as natural a life as is possible.
Many education animals or non-releasable animals do double duty
as foster parents, an invaluable service to orphaned
or injured youngsters. Wildlife neonates who have the benefit of
natural parenting and role modeling are excellent release candidates.
In turn, they benefit their foster parents by allowing them opportunity
to interact normally with their own species.
Neonates and young animals that are to be placed with foster parents
must be examined and treated for parasites and diseases.
Many animals are not ready for release in time for migration or
to prepare for winter. They may be immature, their injuries or illnesses
may need more time to resolve, or they
may need to be held until they molt. Long-term captivity can involve
months or even years. These animals must be managed carefully so
that their health is optimal, their levels of stress are minimal
and so that they do not bond with their caregivers. Animals that
come into care as adults are far less likely to encounter problems
with bonding and present less concerns at release than do orphaned
or injured neonates and juveniles.
Regardless of whether the animal is releasable or will spend its
lifetime in captivity, it requires privacy, routine and assessment.
- It must be weighed periodically to ensure it is eating and maintaining
weight, and must be undergo routine physical examinations to ensure
that it is free of parasites and is maintaining good health.
- Environmental, dietary and foraging enrichment will help decrease
captive stress.
- If the species is social, housing it with (or within view of)
a conspecific or conspecifics will further relieve captive stress.
It may be necessary to transfer the animal to another facility
that has a conspecific in care, or to accept a conspecific from
another facility.
- The diet of all long-term animals must be supplemented with
vitamin C. Even species that synthesize the vitamin do not do
so at high enough rates and levels to offset stress-related losses.
- The natural photoperiod for that species at that time of year
should be observed and ambient temperatures should be comfortable.
The animal will require exposure to sunlight or full spectrum
lights for a period of at least ½ hour per day.
- Its diet should reflect the range of foods it eats in nature,
offered free choice. It must have opportunity to partake in all
activities normal to its species.
Some long-term care animals are used in captive breeding programs,
and their young are released to the wild. Captive breeding programs
are usually implemented or supported by government agencies and/or
universities and, depending on the species in question, levels of
success vary. If animals are to mate and produce young, attention
to environmental and dietary enrichment is crucial.
Information on enrichment can be found on the right menu of the
Wildlife Care section of this site.
For more information on some issues involving long-term captive
animals and captive bred animals, choose one of the topics below.
Information on health and care issues of long-term, foster and
education animals is available through IWRC and NWRA. The organizations
publish journal articles and offer presentations at conferences
and seminars. Visit their websites for listings of publications
and conference/seminar schedules.
IWRC
International
Wildlife Rehabilitation Council
NWRA
National Wildlife
Rehabilitators Association
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Animal Boredom
Scope: A Model of Chronic Suffering in Captive Animals and Its Consequences For Environmental Enrichment
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E.A.A.M.
Scope: The European Association for Aquatic Mammals: Any reintroduction effort, regardless of species, should be regarded as a scientific undertaking. The release into the wild of captive bred or long-term captive animals of a great variety of species is fraught with a number of difficulties. The E.A.A.M. website offers information on housing standards, projects, etc.
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ASP
Scope: The most important of these principles is that we accept the responsibility of stewardship for nonhuman primates, and this responsibility must be reflected in our husbandry practices and research protocols whether in field, laboratory, or other setting.
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Defenders of the Wild
Scope: Places for Wolves: A Blueprint for Restoration and Long-Term Recovery
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The Fort Worth Zoo
Scope: Enrichment Online
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The Shape of Enrichment
Scope: The Shape of Enrichment was founded in 1991 as a partnership to further animal enrichment efforts worldwide. It became a non-profit corporation in 1996 to better enable it to accomplish this goal.
Online Volumes:
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WildLink International
Scope: This organization manages a broad spectrum of wildlife projects, from major conservation programmes to the rehabilitation and reintroduction of individual animals. The site offers information and links to captive breeding and reintroduction programs.
Online Volumes:
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Zoo Husbandry and Research: An Integrated Approach
Scope: In the following article the author examines how research and husbandry training procedures enhance the lives of animals at the Roger Williams Park Zoo. He relates how an integrated approach allows the zoo to acquire valuable experimental data and promote optimal animal care while tending to animals' behavioral needs.
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