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The red-billed tropicbird can be differentiated from the other tropicbirds by its red bill in combination with its white tail streamers. The slightly smaller red-tailed tropicbird has red rather than white tail streamers, and the white-tailed tropicbird can be differentiated by its smaller size, black stripe along its upper wing coverts, and ...
Smooth-billed ani, a species which can be found in urban areas. Order: Cuculiformes Family: Cuculidae. The family Cuculidae includes cuckoos, roadrunners, and anis. These birds are of variable size with slender bodies, long tails, and strong legs. The Old World cuckoos are brood parasites. Smooth-billed ani, Crotophaga ani
White-tailed tropicbird, Phaethon lepturus; Red-billed tropicbird, Phaeton aethereus (A) ... In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Most of ...
The red-billed tropicbird is basal within the genus. The split between the red-billed tropicbird and the other two tropicbirds is hypothesized to have taken place about six million years ago, with the split between the red-tailed and white-tailed tropicbird taking place about four million years ago. [9]
The majority of this length is due to the hummingbird's extreme tail streamers. Another size champion among hummingbirds is the sword-billed hummingbird, a fairly large species of which approximately half of its 21 cm (8.3 in) length derives from its bill. This is by far the largest bill-to-body-size ratio of any bird. [64]
Red-billed tropicbird, Phaethon aethereus; Southern storm-petrels. Order: ... In size they range from 8 cm (3.1 in) to 1 m (3.3 ft) in length. Old World parrots are ...
Groove-billed ani. Order: Cuculiformes Family: Cuculidae. The family Cuculidae includes cuckoos, roadrunners, and anis. These birds are of variable size with slender bodies, long tails, and strong legs. The Old World cuckoos are brood parasites. Greater ani, Crotophaga major (A) Smooth-billed ani, Crotophaga ani
Red-tailed tropicbird. Order: Phaethontiformes Family: Phaethontidae. Tropicbirds are slender white birds of tropical oceans, with exceptionally long central tail feathers. Their long wings have black markings, as does the head. White-tailed tropicbird, Phaethon lepturus LC; Red-billed tropicbird, Phaethon aethereus LC