First breeding success of osprey (Pandion haliaetus) in mainland spain since 1981 using cross-fostering

Published source details Muriel R., Ferrer M., Casado E. & Schmidt D. (2006) First breeding success of osprey (Pandion haliaetus) in mainland spain since 1981 using cross-fostering. Journal of Raptor Research, 40, 303-304.
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This study is summarised as evidence for the following.

	Action	Category
	Provide artificial nesting sites for raptors Action Link
	Foster eggs or chicks of raptors with wild conspecifics Action Link

Provide artificial nesting sites for raptors

A small study at a reservoir in southern Spain in 2005 (Muriel et al. 2006) found that a pair of ospreys Pandion haliaetus successfully raised two chicks that were fostered to them in a nest on an artificial nesting platform. This study is discussed in more detail in ‘Foster eggs or chicks with wild conspecifics’.
Foster eggs or chicks of raptors with wild conspecifics

A small study at a reservoir in southern Spain in 2005 (Muriel et al. 2006) found that a pair of ospreys Pandion haliaetus successfully raised two chicks that were fostered in an artificial nest (see ‘Provide artificial nesting sites’) when 12 and 15 days-old. The suitability of the pair as parents was tested by temporarily fostering a black kite Milvus migrans with them. Only after the kite had been fed and looked after were osprey chicks introduced. Both chicks fledged aged 53 and 55 days and left on migration 47 and 48 days after fledging. One chick was monitored with a GPS locator and reached typical wintering grounds in Senegal.