• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Difference between revisions of "Prevost's Ground Sparrow" - BirdForum Opus

(Attempt to disguise coied text. References updated)
(split of Cabanis's Ground Sparrow)
 
Line 3: Line 3:
  
 
;[[:Category:Melozone|Melozone]] biarcuata
 
;[[:Category:Melozone|Melozone]] biarcuata
'''Includes Cabanis's Ground Sparrow'''
 
 
==Identification==
 
==Identification==
[[Image:Tohi de Cabanis.jpg|thumb|450px|right|Cabanis's Ground Sparrow<br />Photo by {{user|patricklhoir|patricklhoir}}<br />Ujarras, [[Costa Rica]], February 2017]]
 
 
15–17·5 cm (6-7 in)<br />
 
15–17·5 cm (6-7 in)<br />
 
'''Male''' Nominate
 
'''Male''' Nominate
 
*Dark-grey bill
 
*Dark-grey bill
 +
* Very open white-faced appearance
 
*Blackish forehead
 
*Blackish forehead
 
*Olive-brown upperparts olive-brown
 
*Olive-brown upperparts olive-brown
Line 14: Line 13:
 
*White underparts
 
*White underparts
  
Juveniles: browner upperparts, yellower underparts, and a duller indistinct head pattern.
+
Juveniles: browner upperparts, yellower underparts, and a duller indistinct head pattern.  
====Variations====
 
The northern form has a very open white-faced appearance, which in the Costa Rican form is changed into white mainly found in front of the eye while black and chestnut colors dominate behind and below the eye.  
 
 
==Distribution==
 
==Distribution==
[[Central America]]: southern [[Mexico]], [[Guatemala]], [[El Salvador]], [[Honduras]] and [[Nicaragua]] and [[Costa Rica]].
+
[[Central America]]: southern [[Mexico]], [[Guatemala]], [[El Salvador]], [[Honduras]] and [[Nicaragua]].
 
==Taxonomy==
 
==Taxonomy==
 
====Subspecies====
 
====Subspecies====
Three subspecies are recognized<sup>[[#References|[1]]]</sup>:  
+
Two subspecies are recognized<sup>[[#References|[1]]]</sup>:  
 
*''M.b. hartwegi'' is found in southern [[Mexico]]
 
*''M.b. hartwegi'' is found in southern [[Mexico]]
 
*''M.b. biarcuata'' is found in [[Guatemala]], [[El Salvador]], and [[Honduras]]
 
*''M.b. biarcuata'' is found in [[Guatemala]], [[El Salvador]], and [[Honduras]]
*''M.b. cabanisi'' is found in [[Costa Rica]]
 
 
The scientific name has in the past been written ''Melozone biarcuatum''
 
The scientific name has in the past been written ''Melozone biarcuatum''
  
The Costa Rican form may be a separate species, ''M. cabanisi'' ('''Cabanis's Ground Sparrow''')
+
Formerly considered conspecific with [[Cabanis's Ground Sparrow]].
  
 
==Habitat==
 
==Habitat==
Line 41: Line 37:
 
The male’s song is a whistled ''pst’t’t’t peer peer peer whee whee whee''.
 
The male’s song is a whistled ''pst’t’t’t peer peer peer whee whee whee''.
 
==References==
 
==References==
#{{Ref-Clements6thAug16}}#Avibase
+
#{{Ref-Clements6thAug17}}#Avibase
 
#Handbook of the Birds of the World Alive (retrieved February 2017)
 
#Handbook of the Birds of the World Alive (retrieved February 2017)
 
#BF Member observations
 
#BF Member observations
Line 48: Line 44:
 
==External Links==
 
==External Links==
 
{{GSearch|Melozone+biarcuat}}
 
{{GSearch|Melozone+biarcuat}}
{{GSearch|Melozone+cabanisi Use Melozone cabanisi to}}
 
  
 
[[Category:Birds]] [[Category:Melozone]]
 
[[Category:Birds]] [[Category:Melozone]]

Latest revision as of 12:08, 28 September 2017

Alternative name: White-faced Ground Sparrow

Northern form
Photo by ana maria
Cafe del Volcan, San Salvador Volcano, El Salvador, April 2010
Melozone biarcuata

Identification

15–17·5 cm (6-7 in)
Male Nominate

  • Dark-grey bill
  • Very open white-faced appearance
  • Blackish forehead
  • Olive-brown upperparts olive-brown
  • Rufous crown to hindneck
  • White underparts

Juveniles: browner upperparts, yellower underparts, and a duller indistinct head pattern.

Distribution

Central America: southern Mexico, Guatemala, El Salvador, Honduras and Nicaragua.

Taxonomy

Subspecies

Two subspecies are recognized[1]:

The scientific name has in the past been written Melozone biarcuatum

Formerly considered conspecific with Cabanis's Ground Sparrow.

Habitat

They are found at the edges of tropical and deciduous montane and evergreen forests and secondary forests. Also coffee plantations. Usually in the undergrowth.

Behaviour

Breeding

The female constructs a cup nest from dead leaves and grass, which is lined with finer grass. The clutch consists of 2-3 white eggs, with reddish blotches. They are incubated by the female for 12-14 days. The male assists with feeding the chicks.

The nest is sometimes parasitised by the Bronzed Cowbird.

Diet

The search on or near the ground and in the leaf litter for arthropods and seeds.

Vocalisation

The male’s song is a whistled pst’t’t’t peer peer peer whee whee whee.

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/
  2. Avibase
  3. Handbook of the Birds of the World Alive (retrieved February 2017)
  4. BF Member observations
  5. Wikipedia

Recommended Citation

External Links

Back
Top