Bahama woodstar: Difference between revisions
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== Recognition == |
== Recognition == |
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The Bahama woodstar is a small hummingbird, growing to be only about {{convert|8|to|9.5|cm|in|abbr=on}} in length.<ref>[http://www.press.princeton.edu/birds/arlott/hummingbird/woodstar.html]</ref> These birds weigh around {{convert|2.4|to|3|g|oz|abbr=on}}.<ref name = "CRC">''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.</ref> Their backs are green and gold, with olive-buff underparts, and flanks fading into white (males) or cinnamon (females). Wings are brown and their tails appear a blackish-purple <ref>Cory, C. B. (1890). The birds of the Bahama Islands : containing many birds new to the Islands, and a number of undescribed winter plumages of North American birds. Boston, U.S.A.: Estes & Lauriat.</ref>. Males have a fork-shaped tail while females display a more rounded tail with wider feathers. |
The Bahama woodstar is a small hummingbird, growing to be only about {{convert|8|to|9.5|cm|in|abbr=on}} in length.<ref>[http://www.press.princeton.edu/birds/arlott/hummingbird/woodstar.html]</ref> These birds weigh around {{convert|2.4|to|3|g|oz|abbr=on}}.<ref name = "CRC">''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.</ref> Their backs are green and gold, with olive-buff underparts, and flanks fading into white (males) or cinnamon (females). Wings are brown and their tails appear a blackish-purple <ref>Cory, C. B. (1890). The birds of the Bahama Islands : containing many birds new to the Islands, and a number of undescribed winter plumages of North American birds. Boston, U.S.A.: Estes & Lauriat.</ref>. Males have a fork-shaped tail while females display a more rounded tail with wider feathers. Male gorgets show bright purple iridescent feathers, while females do not, which lighten as breeding season ends <ref>Feo, T. J., Musser, J. M., Berv, J., & Clark, C. J. (2015). Divergence in morphology, calls, song, mechanical sounds, and genetics supports species status for the Inaguan hummingbird (Trochilidae: Calliphlox evelynae lyrura). tauk The Auk, 132(1), 248-264.</ref>. Bills on both the male and females are slightly decurved.<ref name="CRC" /> |
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== Distribution == |
== Distribution == |
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== Habitat == |
== Habitat == |
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The Bahama woodstar is endemic to the [[Bahamas|Bahama Islands]]. They are found in many different habitats on some of the major islands except may be rare or absent where the Cuban Emerald (Chlorostilbon ricordii) also occurs. |
The Bahama woodstar is endemic to the [[Bahamas|Bahama Islands]]. They are found in many different habitats on some of the major islands except may be rare or absent where the Cuban Emerald (Chlorostilbon ricordii) also occurs. |
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The [[Inagua woodstar]], ''Calliphlox lyrura'' was formerly considered a subspecies. However, hummingbird species can be separated depending on morphological differences such as tail shape and presence or absence of iridescent feathers, both known to play a role in sexual selection <ref>Clark, C. J. (2010). The Evolution of Tail Shape in Hummingbirds. tauk The Auk, 127(1), 44-56.</ref>. It has a fully iridescent crown and a more lyre-shaped tail than the Bahama woodstar. |
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== Behaviour == |
== Behaviour == |
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=== Reproduction === |
=== Reproduction === |
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Nesting is done in a small cup made of plant down, bark and cobwebs. The female lays 2 elliptical white eggs, which will incubate for 15–18 days. This hummingbird nests all year round. |
Nesting is done in a small cup made of plant down, bark and cobwebs. The female lays 2 elliptical white eggs, which will incubate for 15–18 days. This hummingbird nests all year round. |
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The [[Inagua woodstar]], ''Calliphlox lyrura'' was formerly considered a subspecies. It has a fully iridescent crown and a more lyre-shaped tail than the Bahama woodstar. |
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==References== |
==References== |
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Revision as of 00:05, 12 October 2015
| Bahama woodstar | |
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| Scientific classification | |
| Kingdom: | |
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| Species: | C. evelynae
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| Binomial name | |
| Calliphlox evelynae (Bourcier, 1847)
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| Synonyms | |
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Philodice evelynae | |
The Bahama woodstar (Calliphlox evelynae) is a species of hummingbird endemic of the Bahama Islands.
Recognition
The Bahama woodstar is a small hummingbird, growing to be only about 8 to 9.5 cm (3.1 to 3.7 in) in length.[2] These birds weigh around 2.4 to 3 g (0.085 to 0.106 oz).[3] Their backs are green and gold, with olive-buff underparts, and flanks fading into white (males) or cinnamon (females). Wings are brown and their tails appear a blackish-purple [4]. Males have a fork-shaped tail while females display a more rounded tail with wider feathers. Male gorgets show bright purple iridescent feathers, while females do not, which lighten as breeding season ends [5]. Bills on both the male and females are slightly decurved.[3]
Distribution
Habitat
The Bahama woodstar is endemic to the Bahama Islands. They are found in many different habitats on some of the major islands except may be rare or absent where the Cuban Emerald (Chlorostilbon ricordii) also occurs.
Taxonomy
The Inagua woodstar, Calliphlox lyrura was formerly considered a subspecies. However, hummingbird species can be separated depending on morphological differences such as tail shape and presence or absence of iridescent feathers, both known to play a role in sexual selection [6]. It has a fully iridescent crown and a more lyre-shaped tail than the Bahama woodstar.
It does not migrate, but has been seen as a vagrant in SE Florida in the United States. In April 2013 a bird was seen for three days at a feeder in Lancaster County, Pennsylvania.[7]
Behaviour
Diet
Vocalizations
Reproduction
Nesting is done in a small cup made of plant down, bark and cobwebs. The female lays 2 elliptical white eggs, which will incubate for 15–18 days. This hummingbird nests all year round.
References
- ^ Template:IUCN
- ^ [1]
- ^ a b CRC Handbook of Avian Body Masses by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.
- ^ Cory, C. B. (1890). The birds of the Bahama Islands : containing many birds new to the Islands, and a number of undescribed winter plumages of North American birds. Boston, U.S.A.: Estes & Lauriat.
- ^ Feo, T. J., Musser, J. M., Berv, J., & Clark, C. J. (2015). Divergence in morphology, calls, song, mechanical sounds, and genetics supports species status for the Inaguan hummingbird (Trochilidae: Calliphlox evelynae lyrura). tauk The Auk, 132(1), 248-264.
- ^ Clark, C. J. (2010). The Evolution of Tail Shape in Hummingbirds. tauk The Auk, 127(1), 44-56.
- ^ [1]
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