Foster eggs or chicks of ibises with wild non-conspecifics (cross-fostering)
Overall effectiveness category Unknown effectiveness (limited evidence)
Number of studies: 1
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Background information and definitions
If the wild populations of a species are very small then it may not be possible to foster offspring to conspecifics. However, it may be possible to foster chicks and eggs to a similar, but more abundant species, if one is present. This can increase the reproductive output of the wild population of the endangered species, or even allow for the reintroduction of a population into parts of its former range.
Supporting evidence from individual studies
A 2007 review of northern bald ibis (waldrapp) Geronticus eremite conservation (Bowden et al. 2007) found that raising ibis chicks with cattle egrets Bubulcus ibis was not successful. This study discusses several ex situ interventions, described in the relevant sections.Study and other actions tested
Where has this evidence come from?
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This Action forms part of the Action Synopsis:Bird Conservation
Bird Conservation - Published 2013