Hooded Yellowthroat
The Nelson Yellowthroat ( Geothlypis nelsoni ) is a small passerine bird in the genus of Common Yellowthroat ( Geothlypis ) in the family of warblers ( Parulidae ). Widespread it is in Mexico. The IUCN lists the species as " not at risk " ( least concern ).
Features
Nelson Yellowthroat reach a body length of 13 centimeters and weigh 10.1 to 11.8 grams. The wing length is 5.2 to 6.1 inches in the male, the female, 5.2 to 5.7 centimeters. Adult male of the nominate Nelson Yellowthroat bear a striking black face mask and a medium gray adjacent end crown stripe that extends to the sides of the neck and the ears ceilings. The crown, nape, sides of the neck as well as top plumage is dull olive; the tail-feathers somewhat dull olive. The wings are brown with olive feather edges. The underside plumage is yellow with faded olive flanks. Adult females have a olives crown, sides of head and upper side and a medium-gray plumage and a pale olive Superciliarstreifen eye ring.
Resources, nutrition and reproduction
Nelson Yellowthroat are endemic to Mexico. They live on highlands dense scrub and scrub at altitudes of 1800-3100 meters and feed mainly on insects and other invertebrates that they ferret out in the lower areas of vegetation. About the breeding season, nest building and Bebrütungs and nestling period are no further details. Were seen from May to July adult males with food in its beak. Presumably, they lay like other Gelbkehlchenarten to a deep, cup-shaped nest.
Subspecies and distribution
There are two recognized subspecies:
- Geothlypis nelsoni n Richmond, 1900 - Along the Sierra Madre Oriental mountain range of Coahuila and Nuevo León to Veracruz and Nordpuebla
- Geothlypis n karlenae RT Moore, 1946 - Südpuebla to Western and Zentraloaxaca