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Snail Kite

From Opus

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Revision as of 18:58, 28 August 2017 (edit)
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(Picture of juvenile. References updated)
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 +[[Image:Snail_Kite.jpg|thumb|450px|right|Male<br />Photo by {{user|Pantanal1|Pantanal1}}<br />The Pantanal, Mato Grosso, [[Brazil]]]]
'''Alternative name: Everglade Kite''' '''Alternative name: Everglade Kite'''
-[[Image:Snail_Kite.jpg|thumb|500px|right|Male<br />Photo by {{user|Pantanal1|Pantanal1}}<br />The Pantanal, Mato Grosso, [[Brazil]]]]+ 
;[[:Category:Rostrhamus|Rostrhamus]] sociabilis ;[[:Category:Rostrhamus|Rostrhamus]] sociabilis
==Identification== ==Identification==
 +[[Image:615 10152fg4 Female Snail Kite with Snail in Flight.jpg|thumb|350px|right|Female<br />Photo by {{user|bobsofpa|bobsofpa}}<br />Harn's Marsh, Lehigh Acres, [[Florida]], [[USA]], April 2015]]
Length = 43 cm (17 in); Length = 43 cm (17 in);
Weight = 375 g Weight = 375 g
Line 12: Line 14:
====Similar Species==== ====Similar Species====
Easily identified by bill in most of its range. The [[Slender-billed Kite]] (local near water in forested areas of South America) has a similar bill and resemble the male Snail Kite in plumage, but is shorter-winged and -tailed, has no white rump, crissum or tail-base and yellow eyes. Immature Slender-billed Kite has darker brownish eyes, but three narrow white tail-bands (incl. tip) unlike any plumage of Snail Kite. Easily identified by bill in most of its range. The [[Slender-billed Kite]] (local near water in forested areas of South America) has a similar bill and resemble the male Snail Kite in plumage, but is shorter-winged and -tailed, has no white rump, crissum or tail-base and yellow eyes. Immature Slender-billed Kite has darker brownish eyes, but three narrow white tail-bands (incl. tip) unlike any plumage of Snail Kite.
-[[Image:615 10152fg4 Female Snail Kite with Snail in Flight.jpg|thumb|350px|right|Female<br />Photo by {{user|bobsofpa|bobsofpa}}<br />Harn's Marsh, Lehigh Acres, [[Florida]], [[USA]], April 2015]]+ 
==Distribution== ==Distribution==
 +[[Image:Gaviao caramujeiro 2.jpg|thumb|350px|right|Juvenile, subspecies ''sociabilis''<br />Photo by {{user|Orozimbo|Orozimbo}}<br />Lins SP, [[Brazil]], August 2017]]
North, Central and South America. In [[North America]] breeds only the Everglades of southern [[Florida]]. Further south breeds in [[Cuba]] and the Isle of Pines and from Veracuz and Oaxaca to Chiapas and Quintana Roo in [[Mexico]] to [[Nicaragua]], but rare in [[Panama]]. In South America breeds south to western [[Ecuador]] in the west and throughout the east as far south as [[Uruguay]] and northern [[Argentina]]. Rare in [[Trinidad]]. Resident. North, Central and South America. In [[North America]] breeds only the Everglades of southern [[Florida]]. Further south breeds in [[Cuba]] and the Isle of Pines and from Veracuz and Oaxaca to Chiapas and Quintana Roo in [[Mexico]] to [[Nicaragua]], but rare in [[Panama]]. In South America breeds south to western [[Ecuador]] in the west and throughout the east as far south as [[Uruguay]] and northern [[Argentina]]. Rare in [[Trinidad]]. Resident.
==Taxonomy== ==Taxonomy==
====Subspecies==== ====Subspecies====
-[[Image:Gaviao caramujeiro 2.jpg|thumb|350px|right|Juvenile, subspecies ''sociabilis''<br />Photo by {{user|Orozimbo|Orozimbo}}<br />Lins SP, [[Brazil]], August 2017]] 
There are 3 subspecies<sup>[[#References|[1]]]</sup>: There are 3 subspecies<sup>[[#References|[1]]]</sup>:
*''R. s. plumbeus'': *''R. s. plumbeus'':
Line 30: Line 32:
Freshwater marshes and swamps, lagoons, rivers and mangroves. Lowlands. Freshwater marshes and swamps, lagoons, rivers and mangroves. Lowlands.
==Behaviour== ==Behaviour==
 +[[Image:Snail Kite-02282018-08417.jpg|thumb|350px|right|Immature<br />Photo by {{user|dacol|dacol}}<br />[[Sweetwater Wetlands Park]], Gainesville, [[Florida]], [[USA]], February 2018]]
====Diet==== ====Diet====
As suggested by its name, feeds almost entirely on snails (e.g. ''Pomacea'' snails.). Flies low and slowly over marshes in search of its food. As suggested by its name, feeds almost entirely on snails (e.g. ''Pomacea'' snails.). Flies low and slowly over marshes in search of its food.

Revision as of 17:13, 6 March 2018

MalePhoto by Pantanal1The Pantanal, Mato Grosso, Brazil
Male
Photo by Pantanal1
The Pantanal, Mato Grosso, Brazil

Alternative name: Everglade Kite

Rostrhamus sociabilis

Contents

Identification

FemalePhoto by bobsofpaHarn's Marsh, Lehigh Acres, Florida, USA, April 2015
Female
Photo by bobsofpa
Harn's Marsh, Lehigh Acres, Florida, USA, April 2015

Length = 43 cm (17 in); Weight = 375 g

Male: Slaty-black body, white tail base, narrow buff or white terminal band on tail, long, thin hook on bill. Ceres and feet are orange or red, eyes are red.
Female: Browner with buff-streaked underparts
Immature: Similar to female, but legs brownish and eye brown, with more streaking on breast.

Similar Species

Easily identified by bill in most of its range. The Slender-billed Kite (local near water in forested areas of South America) has a similar bill and resemble the male Snail Kite in plumage, but is shorter-winged and -tailed, has no white rump, crissum or tail-base and yellow eyes. Immature Slender-billed Kite has darker brownish eyes, but three narrow white tail-bands (incl. tip) unlike any plumage of Snail Kite.

Distribution

Juvenile, subspecies sociabilisPhoto by OrozimboLins SP, Brazil, August 2017
Juvenile, subspecies sociabilis
Photo by Orozimbo
Lins SP, Brazil, August 2017

North, Central and South America. In North America breeds only the Everglades of southern Florida. Further south breeds in Cuba and the Isle of Pines and from Veracuz and Oaxaca to Chiapas and Quintana Roo in Mexico to Nicaragua, but rare in Panama. In South America breeds south to western Ecuador in the west and throughout the east as far south as Uruguay and northern Argentina. Rare in Trinidad. Resident.

Taxonomy

Subspecies

There are 3 subspecies[1]:

  • R. s. plumbeus:
  • R. s. major1:
  • R. s. sociabilis:

An additonal subspecies, levis, is not generally recognised and is commonly included in plumbeus.

Habitat

Freshwater marshes and swamps, lagoons, rivers and mangroves. Lowlands.

Behaviour

ImmaturePhoto by dacolSweetwater Wetlands Park, Gainesville, Florida, USA, February 2018
Immature
Photo by dacol
Sweetwater Wetlands Park, Gainesville, Florida, USA, February 2018

Diet

As suggested by its name, feeds almost entirely on snails (e.g. Pomacea snails.). Flies low and slowly over marshes in search of its food.

Vocalisation

A short, guttural cackle.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2017. The eBird/Clements checklist of birds of the world: v2017, with updates to August 2017. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

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