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*In flight it shows dark outer primaries both above and below and a very shallow fork in the short tail<br /> | *In flight it shows dark outer primaries both above and below and a very shallow fork in the short tail<br /> | ||
'''Juvenile''' browner than adult | '''Juvenile''' browner than adult | ||
| − | [[Image:Yellow-billed_Tern.jpg|thumb|350px|right|Non-breeding adult<br />Photo by {{user|Steve+G|Steve G}}<br />Piarco Sewage works, [[Trinidad]]]] | + | [[Image:Yellow-billed_Tern.jpg|thumb|350px|right|Non-breeding adult<br />Photo by {{user|Steve+G|Steve G}}<br />Piarco Sewage works, [[Trinidad]]]]<!--Not in gallery--> |
====Similar Species==== | ====Similar Species==== | ||
In comparison to [[Least Tern]], the bill always is bigger and yellower, lacking black tip. Also Yellow-billed Tern has longer legs and more black in its wings. | In comparison to [[Least Tern]], the bill always is bigger and yellower, lacking black tip. Also Yellow-billed Tern has longer legs and more black in its wings. | ||
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{{GSearch|Stern+superciliaris}} | {{GSearch|Stern+superciliaris}} | ||
| − | *[http://www. | + | *[http://www.neotropicalbirdclub.org/wp-content/uploads/2016/05/Cotinga-15-2001-10-13.pdf An identification essay comparing Least Tern with Yellow-billed Tern] |
[[Category:Birds]][[Category:Sternula]] | [[Category:Birds]][[Category:Sternula]] | ||
Revision as of 10:02, 3 July 2019
- Sternula superciliaris
Sterna superciliaris
Identification
23 cm (9 in)
- Yellow bill
- Yellow legs
- Black cap
- White forehead
- In flight it shows dark outer primaries both above and below and a very shallow fork in the short tail
Juvenile browner than adult
Similar Species
In comparison to Least Tern, the bill always is bigger and yellower, lacking black tip. Also Yellow-billed Tern has longer legs and more black in its wings.
Distribution
Central and South America
Central America: Trinidad, Tobago
South America: Colombia, Venezuela, Guyana, Suriname, French Guiana, Ecuador, Peru, Bolivia, Brazil, Paraguay, Uruguay, Argentina
Taxonomy
This is a monotypic species[1].
Yellow-billed Tern is closely related to Least Tern and Little Tern S. albifrons of the Old World. Other close relatives include the Peruvian Tern S. lorata of South America. Like all of these, it was formerly placed in the genus Sterna.
Habitat
Rivers, swamps, and freshwater lakes. Coastal in the Guianas where moulting in large numbers.
Behaviour
Frequently hovers when hunting.
Diet
Their diet consists of small fish, shrimps and insects.
References
- Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2018. The eBird/Clements checklist of birds of the world: v2018. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
- Avibase
- Arthur Grosset
- Gochfeld, M., Burger, J., Garcia, E.F.J. & Boesman, P. (2019). Yellow-billed Tern (Sternula superciliaris). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/54034 on 30 June 2019).
- Yellow-billed Tern (Sternula superciliaris), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/yebter2
Recommended Citation
- BirdForum Opus contributors. (2024) Yellow-billed Tern. In: BirdForum, the forum for wild birds and birding. Retrieved 19 May 2024 from https://www.birdforum.net/opus/Yellow-billed_Tern
