The phrase "captive birds" refers to birds that are kept or confined in a place, such as a cage or enclosure, instead of being able to live freely in their natural habitat. Full definition
These birds will be crucial to the future stages of germ - line transmission research that require extensive handling of captive birds. (reviverestore.org)
However, for captive birds, having access to a frequently refreshed collection of toys means so much more. (petbusiness.com)
• Existing humane organizations and shelters are neither equipped nor prepared to handle displaced captive birds. (avianwelfare.org)