Bird flu is one of the reasons egg prices have skyrocketed. Here’s what else you should know about the current outbreak of the H5N1 virus among U.S. poultry and dairy cows.

BIRDS
A penguin named Gus captured people’s hearts when he appeared on an Australian beach not long ago. Now he’s ready to go back home.
The 20-year-old nest that starred in the state agency’s first livecam was destroyed by a snowstorm. Now, viewers can tune into watch another eagle pair raise their family at a new spot.
Your Thanksgiving turkey is harmless, but the live bird stalking your backyard might not be.
Bald eagles are powerful symbols of America—but there's much more to know about these quirky birds.
Where there is one hungry raccoon, there are likely dozens, as one unfortunate woman found out.
Three historic cemeteries, designed as refuges of the dead, are bringing their landscapes back to life for native plants and animals.
The aggressive gulls are brazen in swooping in for a bite of grilled cheese.
In past centuries, dinner tables were crowded with sparrows, robins, and even owls. Here are a few birds that are now protected from American appetites.
Crows can not only understand numerical totals, they can express them vocally.
Nothing says “springtime” like the maddening, irregular percussion of a bird’s beak rapping repeatedly against your window.
The bison and bald eagle have been chosen to represent the U.S. Here's why.
Rin Tin Tin was found on a World War I battlefield in France before making his way to Hollywood, while poor Arnold the Pig was rumored to have been eaten after ‘Green Acres’ was canceled.
If you can’t tell crows and ravens apart, you may think you’re uncovering a minor conspiracy when you’re actually witnessing a murder.
Genetics, seasonal changes, and Earth's magnetic field all play a role.
Birds are a noisy bunch, and there's a lot of variation when it comes to avian vocalizations.
At some point, whether during the day or at night, all birds need to sleep. How do they do it?
Owl feathers’ special structures help the wise birds sneak up on their meals.
A single number for birds’ lifespans is difficult to pin down, but the ability to fly is one of the keys to their longevity.
Though they’re excellent hunters, it turns out owls probably aren’t any smarter than a lot of other birds.
Discover fascinating facts about ducks, from their adaptation to cold temperatures to their rude nesting habits.