Scientists have pieced together the skull of a strange ancient bird, revealing a primitive beak lined with teeth. The "transitional" bird sheds light on a pivotal point in the pathway from ...
Over time, natural selection favored finches with sharper, longer beaks. These birds were better equipped to quickly and easily pierce the skin of their booby bird neighbors. Vampire finches still ...
Polytypic. Length 6". The house is a relatively small Carpodacus finch with a longish, slightly notched tail, short wings, and a distinctly small bill with a curved culmen. Male: the breast ...
Curved stainless steel ball-tipped tubes are ... with the tube pointing caudo-dorsally and to the right side of the bird's beak (your left). Take caution at this stage not to damage the choana ...