White-tufted Sunbeam

The white-tufted sunbeam (Aglaeactis castelnaudii) is a species of hummingbird in the family Trochilidae. It is found only in Peru. Its natural habitats are subtropical or tropical moist montane forest and subtropical or tropical high-altitude shrubland. == Description == An adult white-tufted sunbeam is approximately 12 cm in height and weighs 7- 8.5 g. The bill is straight and black and there is a notable patch of white feathers directly under the chin on the breast. The rest of the body is described as tawny and darkly-colored. There are iridescent feathers on the back of the bird that are most noticeable in flight and while hovering. Males and females of the species exhibit subtle sexual dimorphism. Males are fuscous-black on their upper backs with a magenta reflection on their rump and lower back. Their tails are forked. The belly, side, and neck of a male are dull brown. The throat and pectoral band are blackish in color. True to their name, there is a white feather tuft on the central breast. Females are very similar to males, but have a less iridescent back and a smaller tail fork. Juvenile white-tufted sunbeams have a more uniform, brown exterior with no iridescent…