Bay-headed Tanager
Tangara gyrola
Stunning tanager: mostly green with reddish head. Some populations have electric blue underparts, others entirely green. Similar to Rufous-winged Tanager but always has green wings. Found in pairs or small flocks in forest and edges, often in mixed feeding flocks from midstory to the canopy. Feeds on fruit.
Identification
Adult bay-headed tanagers are 14 cm long and weigh 19.5 g. The nominate race T. g. gyrola is mainly green apart from a chestnut head, a blue or green belly, and a thin gold collar on the hind neck. Sexes are similar, but immatures are duller with chestnut-flecked green heads. There is considerable plumage variation between the various subspecies, and T. g.viridissima of northeast Venezuela and Trinidad has green underparts concolorous with the rest of the body plumage.<p>The bay-headed tanager's song is a slow seee, seee, seee, tsou, tsooy.
Taxonomy
The bay-headed tanager was formally described by the Swedish naturalist Carl Linnaeus in 1758 in the tenth edition of his Systema Naturae under the binomial name Fringilla gyrola. The specific epithet is a diminutive of the Latin gyrus meaning "ring". Linnaeus based his own description on the "red-headed green-finch" that had been described and illustrated by the English naturalist George Edwards in 1743 in his A Natural History of Uncommon Birds. The type locality is Suriname. The bay-headed tanager is now placed in the genus Tangara that was introduced by the French zoologist Mathurin Jacques Brisson in 1760.<p>Nine subspecies are recognised:
- Scientific name
- Tangara gyrola
- Authority
- (Linnaeus, 1758)
- Order
- Passeriformes
- Family
- Thraupidae
- Genus
- Tangara
Range and habitat
It occurs in forests, particularly in wetter areas. The bulky cup nest is built in a tree and the normal clutch is two brown-blotched white eggs. The female incubates the eggs for 13–14 days to hatching, with another 15–16 days before the chicks fledge.
- Migration
- Resident species
Behavior
These are social birds which eat mainly fruit, usually swallowed whole. Insects are also taken, mainly from the underside of branches.
Conservation
- Population trend
- declining
Photos
Distribution
Bird Calls
Other Birds
House Sparrow
Passer domesticus
Widespread and abundant in cities, neighborhoods and farms. Avoids dense woods. Flocks cluster in dense bushes, bustling around and chattering to one another. Males have smart black bibs, bright rufous napes, and stunningly patterned wings with brilliant buffs and browns. Underparts are pale pearly-gray. Females are plain brown with cute face and lighter eyebrow. Native to Eurasia; introduced to much of the rest of the world.
White-breasted Parrotbill
Paradoxornis ruficeps
Chunky parrotbill with a large head and a relatively short tail. Very similar in appearance to Rufous-headed and Pale-billed Parrotbills, but note brighter coloration and whiter underparts. Forages in small flocks, often with other species, in foothill forest bamboo clusters; also in reedbeds and tall grass. Song is a descending series of 4-5 whistles: “wee-dee-dee-dee-dee.” Calls include a loud, sputtering machine-gun chatter.
Pennant-winged Nightjar
Caprimulgus vexillarius
Breeding males have extraordinary “pennants” growing out of their wings. Non-breeding males are still distinctive due to the huge white patches on the wings. Females are very drab, and lack white in the wing or tail, unlike most nightjars. This is a migratory species that is found in many different habitats on migration and during the non-breeding season. Breeds in moist savanna and broadleaved woodland, especially miombo. Song is a slow, squeaky trill. Female is similar to Standard-winged Nightjar, but is larger and has more barring in the wings.
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