texas Watch the Attwater's prairie chicken do his mating dance (he's really going for it) Jennifer Sandlin

butterflies Injured butterfly gets wing transplant Gail Sherman

Science Study reveals killer whales share food with humans in display of altruism Gail Sherman

Science Drones are dumping thousands of mosquitos on Hawaii Gail Sherman

Delightful Creatures First time mom at 100: endangered tortoises hatch at Philly zoo Gail Sherman

Science Traffic noise creates angry birds in the Galapagos Gail Sherman

Science The shoebill stork acts like a dinosaur Popkin

girl scouts You can help decide the next Girl Scout Cookie Mascot: will it be a bison, ferret, bat, or mountain goat? Jennifer Sandlin

animals 21 species removed from endangered list because they are extinct Rob Beschizza

Delightful Creatures Watch: Andean condor reunited with the man who saved it Elías Villoro

animals Hunting competition where children try to kill as many feral cats as possible David Pescovitz

eagles Lead ammunition is poisoning bald eagles Jason Weisberger

butterflies Get free milkweed seeds to help Monarch butterflies survive Jennifer Sandlin

For the birds California Condor returns to Northern California skies Jason Weisberger

animals When you go to the zoo, you are breathing the DNA of the animals inside it Mark Frauenfelder

birds A mammal is about to win New Zealand's Bird of the Year contest Annie Rauwerda

Delightful Creatures Nearly 10% of all wild California condors are wreaking havoc on one person's home Carla Sinclair

voter fraud Voter fraud uncovered in Bird of the Year poll Miss Cellania

Science Citizen scientist records 500+ animal species in his small city garden David Pescovitz

animals Video: Peregrine falcons can fly at more than 200 miles per hour David Pescovitz