What time do birds go to bed?

Birds do not go to bed in the same way that humans do. Some birds might enter roost after dusk as part of their normal daily behaviour. It can vary depending on a bird's type and their natural behaviour or habits within their environment and time zone they are accustomed to

For what activities are the beaks of eagles and pelicans best suited?
In a population of finches in which one group birds has short parrot-like beak and another long narrow what process probably occurred?