Avian plumage coloration deriving from carotenoid-based pigments is among the most honest signals of individual quality. It has been argued that females may differentially allocate resources based on ...

Perhaps love-crazed during mating season, a red-crested cardinal takes on a bright-red pickup truck last week in Wailea. The bird moved around the truck pecking at its reflection in the mirror, ...

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...

Some people don’t even know its name, calling it simply a “redbird,” though there are other birds with red feathers. I suppose that most do call it a “cardinal” - a word that, appropriately, derives ...

Birders and non-birders alike love the Northern Cardinal. The singing of the male cardinal is a sure harbinger of early spring. To many birders, the cardinal has taken the mantle of announcing spring ...