Hooded mergansers are built to capture and eat ... from 10 to 50 feet above the ground where she can lay from six to 12 eggs. She does not start incubating the eggs until her clutch is full ...

Many ducks are cavity-nesting ducks -- wood ducks, buffleheads, barrow's goldeneyes, common goldeneyes, hooded mergansers and ...

Indeed, at this moment, wood ducks and other cavity-nesting ducks are busy laying and incubating eggs inside the confines of ...

Typically, large birds incubate eggs longer than do small birds ... Baby cardinals and hooded warblers may be ready to leave the nest and attempt to fly only nine days after hatching.