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- CASADO, EVA; SUÁREZ-SEOANE, SUSANA; LAMELIN, JULIEN; FERRER, MIGUEL
- Ibis 2008 v.150 no.4 pp. 788-798
- siblicide, etc ; breeding; chicks; death; eagles; fecundity; food shortages; habitats; mortality; national parks; population density; population growth; prediction; probability; starvation; Spain; Show all 16 Subjects
- ... Brood reduction, the death of one or more chicks through siblicide or starvation, can occur through density-dependence in fecundity. Brood reduction may arise in territorial breeding systems either as a response to a high level of territorial interference in a situation of high density or as a result of habitat heterogeneity. To test the predictions of the two main hypotheses that attempt to expla ...
- LAMEY, CAMELIA SYKES
- Ibis 1995 v.137 no.2 pp. 231-236
- siblicide, etc ; adults; chicks; death; eggs; fledglings; hatching; mortality; nests; predation; reproductive success; summer; Falkland Islands; Show all 13 Subjects
- ... Data on reproductive success of 110 Falkland Skua Catharacta skua antarctica pairs were gathered during the austral summers of 1988–1989 and 1990–1991 on New Island, Falkland Islands. Adults laid two eggs 2–3 days apart and began incubation with the first egg. For the years combined, 1.39 chicks per nest hatched and 0.84 chicks per nest fledged (fledging was defined as surviving to 16 days of age) ...