2015
DOI: 10.1111/jav.00629
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Ecological and environmental factors related to variation in egg size of New World flycatchers

Abstract: N. M. Heming (heming@unb.br), Programa de P ó s-gradua ç ã o em Ecologia, IB, Univ. de Bras í lia, Bras í lia, Brazil, and Depto de Zoologia, IB, Univ. de Bras í lia, Bras í lia, Brazil. -M. Â . Marini, Depto de Zoologia, IB, Univ. de Bras í lia, Bras í lia, Brazil. Geographical variation in egg size is well documented for several taxa, but remains insuffi ciently described for birds in spite of a well-known latitudinal gradient in clutch size. Several hypotheses have been proposed to explain avian egg siz… Show more

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Cited by 19 publications
(17 citation statements)
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References 54 publications
(106 reference statements)
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“…). Thus, we find support for the both the adult survival and advanced provisioning hypotheses (Martin ), the latter of which has gained other support (Heming and Marini , LaManna and Martin ). It is important to note that these two hypotheses are not mutually exclusive and that large tropical eggs may be a product of selection for both reduced parental effort during incubation and high quality offspring (Martin ).…”
Section: Discussionsupporting
confidence: 70%
“…). Thus, we find support for the both the adult survival and advanced provisioning hypotheses (Martin ), the latter of which has gained other support (Heming and Marini , LaManna and Martin ). It is important to note that these two hypotheses are not mutually exclusive and that large tropical eggs may be a product of selection for both reduced parental effort during incubation and high quality offspring (Martin ).…”
Section: Discussionsupporting
confidence: 70%
“…Nas Américas, as espécies migratórias do Hemisfério Sul produzem tamanhos de ninhada próximos das aves residentes (Yom-Tov et al 1994). Porém, as espécies migratórias do Hemisfério Norte produzem ninhadas menores comparadas às ninhadas dos residentes (material suplementar em Heming & Marini 2015). O tamanho dos ovos é outro parâmetro reprodutivo dessa subfamília influenciado diretamente por variáveis extrínsecas e intrínsecas (Heming & Marini 2015).…”
Section: Introductionunclassified
“…Porém, as espécies migratórias do Hemisfério Norte produzem ninhadas menores comparadas às ninhadas dos residentes (material suplementar em Heming & Marini 2015). O tamanho dos ovos é outro parâmetro reprodutivo dessa subfamília influenciado diretamente por variáveis extrínsecas e intrínsecas (Heming & Marini 2015). Esses autores demonstraram que o tamanho dos ovos diminui em regiões com temperaturas mais quentes, ao passo que os ovos aumentam em volume em regiões com temperaturas mais frias.…”
Section: Introductionunclassified
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