Clutch size increases with latitude
But what about the size of the eggs?
But what about the size of the eggs?
Why do males spend more time on the nest at night?
Are population size trends consistent with available demographic data?
Characteristics of habitats occupied by hosts influences survival of unwanted brood parasite youngsters
Mate replacement versus mate retention in the Thorn-tailed Rayadito
No support for decreased reproduction with a population increase in the White-tailed Eagle
Should these birds breed early or late?
Rare observations of nest-reuse in an open-cup nesting European passerine
How do birds decide on a cavity to nest in?
Could it be an anti-predatory strategy?