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Difference between revisions of "Template:FeaturedArticle" - BirdForum Opus

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<div style="{{psubheader}}">Featured Article: '''[[Roadside Hawk]]'''</div>
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<div style="{{psubheader}}">Featured Article: '''[[Iberian Chiffchaff]]'''</div>
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[[Image:BF Iberian Chiffchaff JD.jpg|thumb|450px|left|Photo &copy; by {{user|juancar+dieguez|juancar diequez}}<br />Vitoria, [[Spain]], 26 March, 2021]]
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== Identification==
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===Adult===
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Pale [[Topography Artwork Heads|supercilium]] tinged yellowish-green with more lemon yellow over and in front of eye.  Narrow but quite distinctive pale eyering.  Contrasting dark eyestripe.
  
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[[Image:Roadside_Hawk_copy2.jpg|thumb|450px|left|Subspecies ''magnirostris''<br />Photo &copy; by {{user|Luis+R|Luis R Figueroa}}<br />Tucacas, Estado Falcon, [[Venezuela]], 1 September, 2009]]
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Green-brown cheek and [[Topography Artwork Heads|ear-coverts]]
  
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==Variations==
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Crown and upperparts yellowish olive-green, in fresh autumn plumage crown and [[Topography Artwork General Anatomy|mantle]] sometimes with brown hue
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Very roughly, the races can be divided into four groups (but the actual variation is more clinal):
 
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[[Mexico]] and northern [[Central America]]: Upperparts and head brown to grey-brown. Tail barred black and  
 
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grey. Chest brownish or greyish (often streaky) and remaining underparts barred rufescent and white.
 
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Southern Central America and northern [[South America]]: Upperparts pure grey or greyish tinged brown. Tail
 
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banded black and grey (black and whitish from below). Chest grey and remaining underparts barred white and
 
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grey to rufescent brown.
 
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Central and eastern South America: Resemble previous, but upperparts more grey-brown and chest and barring
 
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to remaining underparts rufescent brown.
 
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South-central South America: Resemble previous, but barring to tail often rufescent and head and upperparts
 
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dark brown (head may appear almost blackish from a distance).
 
  
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[[Topography Artwork General Anatomy|Remiges]] and [[Topography Artwork General Anatomy|rectrices]] brown, fringed pale olive-green
  
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==Similar Species==
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Whitish below.  Breast streaked with yellow.  Lemon yellow [[Topography Artwork General Anatomy|vent]] and sometimes paler [[Topography Artwork General Anatomy|undertail-coverts]]  
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Grey individuals from northern South America are commonly confused with various forest-falcons (notably the [[Barred Forest Falcon|Barred]], the [[Lined Forest Falcon|Lined]] and the [[Plumbeous Forest Falcon|Plumbeous]]) or the [[Grey-lined Hawk]].
 
  
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[[Topography Artwork Wings|Underwing-coverts]] and [[Topography Artwork Wings|axillaries]] lemon-yellow (usually protruding visibly at bend of closed wing)
  
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Iris dark brown.  Beak dark brown to black.  Legs dark brown to black
  
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===Juvenile===
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Upperparts yellowish-brown.  Underparts yellow and slightly richer yellow than on juvenile [[Common Chiffchaff]].  Juvenile Iberian Chiffchaffs cannot be safely separated from Common Chiffchaffs
  
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'''[[Roadside Hawk|Read Full Article.......]]'''
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==Distribution==
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Found mainly in [[Spain]] and [[Portugal]], with a small population in adjacent south-western [[France]]….
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A small population occurs in the north of [[Morocco]] especially in the eastern Rif montains areas….
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==Movement==
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Migratory. Non-breeding range not fully known. Majority thought to migrate to tropical West [[Africa]], where they have been recorded in winter in [[Senegal]], [[Mali]], [[Burkina Faso]] and [[Ghana]]. A [[Dictionary_P-S#P|passage migrant]] through [[Morocco]] from late February to mid-April. Member's records confirm movement in mid February in Morocco and Western Sahara and one near Marseille, [[France]] in mid-March
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'''[[Iberian Chiffchaff|Read Full Article.......]]'''
  
  

Revision as of 00:59, 1 February 2024

Featured Article: Iberian Chiffchaff
Photo © by juancar diequez
Vitoria, Spain, 26 March, 2021

Identification

Adult

Pale supercilium tinged yellowish-green with more lemon yellow over and in front of eye. Narrow but quite distinctive pale eyering. Contrasting dark eyestripe.

Green-brown cheek and ear-coverts

Crown and upperparts yellowish olive-green, in fresh autumn plumage crown and mantle sometimes with brown hue

Remiges and rectrices brown, fringed pale olive-green

Whitish below. Breast streaked with yellow. Lemon yellow vent and sometimes paler undertail-coverts

Underwing-coverts and axillaries lemon-yellow (usually protruding visibly at bend of closed wing)

Iris dark brown. Beak dark brown to black. Legs dark brown to black

Juvenile

Upperparts yellowish-brown. Underparts yellow and slightly richer yellow than on juvenile Common Chiffchaff. Juvenile Iberian Chiffchaffs cannot be safely separated from Common Chiffchaffs

Distribution

Found mainly in Spain and Portugal, with a small population in adjacent south-western France…. A small population occurs in the north of Morocco especially in the eastern Rif montains areas….

Movement

Migratory. Non-breeding range not fully known. Majority thought to migrate to tropical West Africa, where they have been recorded in winter in Senegal, Mali, Burkina Faso and Ghana. A passage migrant through Morocco from late February to mid-April. Member's records confirm movement in mid February in Morocco and Western Sahara and one near Marseille, France in mid-March



Read Full Article.......

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