In the avian world, birds showcase an incredible diversity of beaks—some enormous, others unusually long, and some even lethal. All hornbill species have a unique structure called a casque on ...
“normal” beaks (examples shown of a petrel and a gull) and a bird with a tactile bill-tip organ (a tinamou, close relative of ostriches and emus and which has an ancestral bill-tip organ ...
and some even think they navigate using their sense of smell – quite literally following their nose (or rather beak). Using pigeons to deliver messages is no new thing. In fact, pigeons were ...
In Alaska during the mid-1990s, bird experts noticed an uptick in overgrown, warped beaks among black-capped chickadees. Now, using high-throughput RNA sequencing, researchers at the University of ...