Birds' nests are as diverse as the creatures who build them. The variety of locations, shapes, and sizes they’re built in and the materials they’re made from can be staggering.

BIRDS
Why did the chicken cross the pen? No, seriously. That’s a legitimate scientific question.
Or was Toucan Sam just faking it all these years?
The brown-headed cowbird is never going to win any parenting awards.
These Antarctic birds might look cute and huggable, but you might want to give them a wide berth after mealtime.
Humans aren’t the only animals that keep larders of food.
Lots of beach-goers find seagulls annoying, but usually the only harm they do is snatching away poorly-guarded snacks. On one particular beach, though, scientists have found that some gulls have a much more aggressive and grisly way of getting their meals
Even biologists who study these birds have a hard time telling them apart.
The seagull—scourge of the beach-blanket snacker, parking-lot pest—is nobody's favorite. Birding guides will tell you that seagulls have no natural enemies, which is mostly true. But once in a while, somebody’s had enough.
It’s not just people that harness energy from power plants - birds also use them in their own way.