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The red-billed tropicbird (Phaethon aethereus) is a tropicbird, one of three closely related species of seabird of tropical oceans. Superficially resembling a tern in appearance, it has mostly white plumage with some black markings on the wings and back, a black mask and, as its common name suggests, a red bill.
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]
Red-billed tropicbird. Order: Phaethontiformes Family: Phaethontidae. Tropicbirds are seabirds once thought to be closely related to pelicans but are now known to belong to a clade known as Metaves. Red-billed tropicbird, Phaethon aethereus; Red-tailed tropicbird, Phaethon rubricauda (A)
Red-billed tropicbird. Order: Phaethontiformes Family: Phaethontidae. Tropicbirds are slender white birds of tropical oceans, with exceptionally long central tail feathers. Their heads and long wings have black markings. Red-billed tropicbird, Phaethon aethereus; Red-tailed tropicbird, Phaethon rubricauda (V) White-tailed tropicbird, Phaethon ...
Red-billed tropicbird, nests in loose colonies on sea cliffs. Order: Phaethontiformes Family: Phaethontidae. Tropicbirds are slender white birds of tropical oceans, with exceptionally long central tail feathers. Their heads and long wings have black markings. White-tailed tropicbird, Phaethon lepturus (A) Red-billed tropicbird, Phaethon aethereus
Red-tailed tropicbird. Order: Phaethontiformes Family: Phaethontidae. Tropicbirds are slender white birds of tropical oceans, with exceptionally long central tail feathers. Their heads and long wings have black markings. Red-billed tropicbird, Phaethon aethereus; Red-tailed tropicbird, Phaethon rubricauda (V) White-tailed tropicbird, Phaethon ...
A few days before Halloween, data collectors at the Jekyll Island Banding Station (JIBS) observe a steady, yet predictable, decline of birds in nets, signaling the end of migration.
The group's origins may lie even earlier if the enigmatic waterbird Novacaesareala from the latest Cretaceous or earliest Paleocene of New Jersey is considered a tropicbird. [ 3 ] Many phaethontiform fossil taxa are known from the Paleocene and Eocene , but the fossil record becomes much more scant after the Oligocene .