Onychoprion, the "brown-backed terns", is a genus of seabirds in the family Laridae. The genus name is from Ancient Greek onux, "claw" or "nail", and...

The sooty tern (Onychoprion fuscatus) is a seabird in the family Laridae. It is a bird of the tropical oceans, returning to land only to breed on islands...

The spectacled tern (Onychoprion lunatus), also known as the grey-backed tern, is a seabird in the family Laridae. A close relative of the bridled and...

The bridled tern (Onychoprion anaethetus) is a seabird of the family Laridae. It is a bird of the tropical oceans. The scientific name is from Ancient...

The Aleutian tern (Onychoprion aleuticus) is a migratory bird living in the subarctic region of the globe most of the year. It is frequently associated...

ancestral white-headed gull, followed by the partially black-headed Onychoprion and Sternula groupings. Juvenile terns typically have brown- or yellow-tinged...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

tern) Genus Thalasseus (8 species) Genus Sternula (7 species) Genus Onychoprion (4 species) Genus Sterna (13 species) Genus Chlidonias (4 species) Genus...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

The genus contains 13 species. For the "brown-backed terns" see genus Onychoprion. Bridge, E. S.; Jones, A. W. & Baker, A. J. (2005). A phylogenetic framework...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Dongyin Dongyin Township (Tungyin) (Chinese: 東引鄉; pinyin: Dōngyǐn Xiāng; Wade–Giles: Tung1-yin3 Hsiang1; Foochow Romanized: Dĕ̤ng-īng-hiŏng) is an insular...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

stolidus Gray noddy Anous albivitta White tern Gygis alba Sooty tern Onychoprion fuscatus Gray-backed tern Onychoprion lunatus Inca tern Larosterna inca (A)...

stolidus 1,400 Great frigatebird (Makohe) Fregata minor 700 Sooty tern Onychoprion fuscata 200 Blue noddy Procelsterna cerulea 80 Red-tailed tropicbird...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Aleutian tern (Onychoprion aleutica) A – rare vagrant Bridled tern (Onychoprion anaethetus) A – rare vagrant Sooty tern (Onychoprion fuscata) A – rare...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

White tern (or "fairy tern"), Gygis alba Sooty tern, Onychoprion fuscatus Spectacled tern, Onychoprion lunata Bristle-thighed curlew, Numenius tahitiensis...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...

Ichthyaetus †Laricola Larosterna Larus Leucophaeus †Limicolavis? †Limosavis Onychoprion Pagophila Phaetusa †Pseudosterna Rhodostethia Rynchops Rissa Sterna †Sternalara...