Experts say collisions with windows are a “preventable problem.”

BIRDS
They picked up the nasty behavior from magpies.
Gases produced by huge quantities of seabird guano contribute modestly to cloud formation, thus helping lower temperatures.
These common birds are masters of the four-letter word.
The rare ‘Alalā species is only the second known crow species to use tools.
The snack’s unnatural brightness made it easy for observers to track two species’ behavior from a distance.
Researchers previously believed a crow named Betty was a genius because they’d seen her bend a twig into a hooked tool. It turns out Betty was just…average.
Birds fly across oceans for days at a time while migrating. But they still manage to get some shut-eye.
“The Government isn't going to limit the number of cats people can own," said Prime Minister (and noted cat sympathizer) John Key.
Honey hunters use special calls to enlist wax-eating birds, who lead the people to beehives in exchange for leftovers.
Urban birds may also be more territorial and aggressive than their more laid back rural counterparts.
Experts wondered if living so close to humans and other falcons would change the raptors’ naturally monogamous mating habits.