project-single

Sooty Tern

Common name : Sooty tern
Scientific name : Onychoprion fuscatus
Family : Laridae
Order : Charadriiformes
Lifespan : Up to 32 years
Top speed : 40 km/h (25 mph)
Weight : 150-240 g (5.3-8.5 oz)
Length : 33-36 cm (13-14 in)
Wingspan : 82-94 cm (32-37 in)


Physical description

  • Plumage : The Sooty Tern is characterized by blackish plumage on the back, with a white belly. The head is also black, contrasting with the white band above each eye.
  • Beak : Long, thin, and black, adapted for capturing prey in flight.
  • Wings : Long and tapered, allowing for fast and agile flight.

Geographical distribution

  • Found in tropical areas of the Atlantic, Pacific, and Indian Oceans.
  • It breeds in isolated areas, particularly on islands such as those in the Caribbean Sea and the Indian Ocean.

Habitat

  • The sooty tern is a pelagic species; it spends most of its life at sea.
  • Rarely lands on land, except for nesting.

Behavior

  • Diet : Primarily piscivorous, feeding on fish and squid, which it catches by flying above the water and diving rapidly.
  • Reproduction : Nests in colonies on isolated islands. Typically lays a single egg per season. The parents care for the chick together.
  • Migration : Partially migratory, it can travel long distances between breeding and feeding grounds.

Threat and conservation

  • Threats : Marine pollution, plastic ingestion, disturbance of breeding sites.
  • Conservation Status : Species classified as Least Concern by the IUCN, but conservation efforts are needed for the most vulnerable colonies.
project-icon

Informations

project-icon

Share this page