In a robin couple, a male brings his female partner nesting material as she constructs the robins’ nest. The female builds the cup-like nest with mud as its foundation and lines it with grasses, twigs ...

Spring comes, quite reliably, but sometimes reluctantly, by fits and starts. Every year we go through a process of counting the increasing hours of daylight, checking the development of leaf buds, and ...

Discover how birds form eggs in 24 hours, why shells range from blue to speckled, how shapes aid survival, and what’s ...

Well, spring has sprung and summer is making a valiant effort to gain a foothold. One evidence of spring each year is the arrival of the American robin, that familiar migratory bird with the cheery ...