Researchers have linked the polluted run-off from cities to hormonal problems in chicks.
The latest "Slow TV" hit from Scandinavia.
Hawaii's state bird hadn't been seen on the island since the 1700s.
The chaotic order of nature's social networks.
The fluffy-white hunters are everywhere this year, from New York to Baltimore all the way down to Florida.
The company commissioned a team of artists to make miniature versions of the homes they rent.
Aaron Dunkerton wants to aid Britain's threatened sparrows by sheltering them in the fabric of urban architecture.
Your weekly look at all the stuff our elected leaders are outlawing.
The Cambodian tailorbird somehow managed to elude detection for years, despite being loud and annoying.
Not only do they get less sleep, they also have more disrupted circadian rhythms.
Thomas Savage would like to dot the English coast with beach inns filled with migrating birds.
The world cheers as an Oregon cop chooses rescuing ducks over fighting crime.
This latest evolutionary trick by cliff swallows is particularly impressive.
The mayor says citizens are "irritated by people who speak a different language" and have "different manners."
From what hellish port of call did this monstrous waterfowl come?
Meet the Chicagoans who rescued it (and hundreds others) in what may be the most depressing job in the city.
I'll take the week-old hotdog bun and a cigarette butt, please.
These makeshift shelters slap onto street poles with the help of magnets.
Even more depressing: your bird feeder makes things worse.
Guarding your belongings is hard to do when the thief is one foot tall and can fly.