A male barn owl flies into a barn carrying a vole. He brings it to his brooding mate, who will stay on the nest for up to two months — from the moment she lays the first egg of the clutch until the smallest chick is large enough to stay warm by itself.
Eurasian penduline tit (Remiz pendulinus) in nest, male, Hungary.
Nearly fledged barn owl chicks peek out of their nest box, waiting for a parent to bring food. The availability of nest sites is critical for the prosperity of barn owl populations. Installing nest boxes proved to be the most effective way to help populations recover in Western Europe.