Sentences with phrase «egg clutch size»

The temperature difference between summer and winter plays a significant role in the egg clutch size of birds

Not exact matches

They nest high in the canopy with a clutch size of one or two eggs.

The researchers compared egg shape with lots of data about each bird species, but found no correlation with clutch size, environmental factors or nest characteristics.

Birds that eventually rejected parasite eggs still laid an average - sized clutch of their own — even though the alien eggs remained at the top of the nest for several critical days before being buried.

The researchers looked at correlations between egg shape and traits associated with the species of bird, including nest type and location, clutch size (the number of eggs laid at a time), diet and flight ability.

By taking into account factors known to affect egg and clutch size in living bird species, the authors — who started their investigation last summer at the University of Lincoln's Riseholme campus — found that shared incubation was the ancestral incubation behaviour.

Anjali D. Karve, John A. Baker & Frank A. von Hippel — 2013 (2)([email protected]) Keywords: anadromous, benthic, breeding females, clutch size, egg mass, reproductive effort, stickleback

The female lays one to three eggs with a usual clutch size of two eggs.

Normal clutch size is three eggs.