Age effects in Darwin’s finches: older males build more concealed nests in areas with more heterospecific singing neighbors
Antonia C. Huge,
Nicolas M. Adreani,
Diane Colombelli-Négrel
et al.
Abstract:Nesting success tends to increase with age in birds, in part because older birds select more concealed nest sites based on experience and/or an assessment of prevailing predation risk. In general, greater plant diversity is associated with more biodiversity and more vegetation cover. Here, we ask if older Darwin’s finch males nest in areas with greater vegetation cover and if these nest sites also have greater avian species diversity assessed using song. We compared patterns in Darwin’s Small Tree Finch (Camar… Show more
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