Sterna repressa   Hartert,  1916 (Bird)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Aves
Order:Charadriiformes
Family:Laridae

Image copyrights: pbase

Description
Size: 32-34 cm.

Voice: Ringing short kik.

Habits: Hunts in flocks by plunging from the air with steep dive.

Adult breeding (summer): Sexes alike. With darker grey upperparts than all other sterna, a well defined white cheek-stripe contrasting with grey throat and neck, longer red bill with black tip, darker grey underparts, larger and longer tail streamers. Non-breeding (winter): Darker grey upper parts concolorous rump and grey tail, broader black hood. Juvenile: With darker upperparts, broader black hood and darker grey rump and tail.

Breeding site- The nest is a shallow scrape on rock, sand, gravel or coral in barren or sparsely vegetated areas on islands, sandflats, sand-dunes and beaches.

Synonym (s)

Common Name (s)
• Whitecheeked Tern (English)
• White-cheeked Tern (English)
• Safedgal vabagali (Gujrati)
Economic Importance and Threats
Threats:  Anthropogenic
(In India the species is contaminated with polychlorinated biphenyls (PCBs) at levels which may affect embryo development.
The species is subject to egg collecting from colonies in many areas )
Importance:  Commercial
(egg collection by locals)

Ecology
Habitat:  Coastal
Trophic Level:  Consumer
Prey:  Carnivorous, comprising chiefly fish.
IUCN Status:  Least Concern

Biogeography


• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Maharashtra, Vengurla Rocks INDIA
• INDIA
• Lakshadweep INDIA
• PAKISTAN
• SRI LANKA
• MALDIVES
• Goa, Morjim beach INDIA (Record: 06/05/1985)
• Goa, Chapora estuary INDIA
• Goa, Santa Cruz creek INDIA
• Goa, Anjuna INDIA
• Gujarat, Gulf of Kachchh INDIA
• Gujarat INDIA
• Maharashtra INDIA

Literature Source(s)
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Hoogstraal, H and Bafort, JM (1982) Ticks of Saudi Arabia. Ornithodoros (Alectorobius) muesebecki (Acarina: fam. Argasidae) parasitizing marine birds in the Arabian Gulf, Saudi Arabia Fauna of Saudi Arabia 4 23-28 Available at - ZOOR11900058751
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/
  • Kumar, A; Sati, JP; Tak, PC and Alfred, JRB (2005) Handbook on Indian wetland birds and their conservation Zoological Survey of India, Dehra Dun 468 pp Available at - NIO, Goa
  • Lainer, H (2004) Birds of Goa : A reference book The Goa Foundation, Goa 244 pp Available at - NIO, Goa
  • Oiseaux.net Available at - http://www.oiseaux.net/
  • (1997) Coastal marine environment of Gujarat 178pp Available at - NIO, Goa
  • Vernacular names of the Birds of the Indian Subcontinent Buceros, Envis newsletter: Avian Ecology & Inland Wetlands 62pp Available at - http://www.bnhsenvis.nic.in/pdf/BUCEROS%203%20(1).pdf
  • PBase Available at - http://www.pbase.com/

Page last updated on:2013-02-12

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