This is a preview. Log in through your library . Abstract 1. Opportunistic breeding (i.e. breeding whenever favourable conditions occur, regardless of interval or periodicity) is a strategy often ...

For sexually reproducing species, functionally competent sperm are critical to reproduction. While high atmospheric temperatures are known to influence the timing of breeding, incubation and ...

When building a nest, previous experience raising chicks will influence the choices birds make, according to a new study by University of Alberta scientists. The results show that birds that have ...

A new study suggests that some birds prioritize social information over visual evidence when making breeding choices. A new study in The Auk: Ornithological Advances suggests that some birds ...