Common kingfishers are reknowned for their iridescent blue plumage. The entire upper portion of the bird: wings, back, and head are completely blue. The underbelly and a small patch underneath the eyes are rich chestnut. The throat and a small part of the side of the neck is bright white. They have small red feet. Their beaks are long, sharp and strong for the purpose of catching and holding prey. Males and females are very similar except for their beaks. A male’s beak is jet black, while the lower half of a female’s beak is chestnut. Juvenile’s are slightly more green and duller than adults.
Range mass: 26 to 39 g.
Average mass: 34 g.
Average length: 17 cm.
Range wingspan: 24 (low) cm.
Average wingspan: 26 cm.
Average basal metabolic rate: 0.3780 cm^3 oxygen/hour.
Other Physical Features: endothermic ; homoiothermic; bilateral symmetry
Sexual Dimorphism: sexes colored or patterned differently
Average basal metabolic rate: 0.378 W.