cognition

It’s not easy being a rodent in the U.S. Great Plains. Animals like black-tailed prairie dogs (Cynomys ludovicianus) are under constant threat of being preyed upon from land and air by predators that include hawks, eagles, and coyotes. To cope with this danger, the social animals are in constant communication, including via so-called “contagious” displays, in which...

New Caledonian crows love the candle nut forests around Sarramea where they drop candle nuts from a height to crack them open for a meal.   We found a nut cracking site and Alex Taylor explained how it all works. Step 1: Find a tall tree branch positioned high above a flat rock.   Step...

New Caledonian crows love the candle nut forests around Sarramea where they drop candle nuts from a height to crack them open for a meal.   We found a nut cracking site and Alex Taylor explained how it all works. Step 1: Find a tall tree branch positioned high above a flat rock.   Step...

My plexiglass pieces survived the 22 hour trip from Santa Barbara, California to New Caledonia and I appear to have skipped the jet lag! Alright, I’m in New Caledonia so I can start testing crows right? Wrong! First I have to build all of my apparatuses from all of the plexiglass I brought over. This...

My plexiglass pieces survived the 22 hour trip from Santa Barbara, California to New Caledonia and I appear to have skipped the jet lag! Alright, I’m in New Caledonia so I can start testing crows right? Wrong! First I have to build all of my apparatuses from all of the plexiglass I brought over. This...