Category: Trochilidae

First Record of the Green-breasted Mango (Anthracothorax prevostii) for the Eastern United States

Green-breasted Mango (Anthracothorax prevostii) Science Article 1 abstract A large and unusual hummingbird appeared at Lori Turner?s hummingbird feeder in rural northeastern Cabarrus County, North Carolina, on 12 November 2000. Susan Campbell received a call about this bird on 18 November and scheduled a banding visit for the next day. Despite the cold and snowy […]

NESTING BEHAVIOR OF THE SWALLOW-TAILEDHUMMINGBIRD, Eupetomena macroura(TROCHILIDae, AVES)

Swallow-tailed Hummingbird (Campylopterus macroura) Science Article 1 abstract An August or winter nestling of Eupetomena macroura was fed only every 40-50 min for at least 24days in the nest, with fewer feedings at midday. As in other hummingbirds, it was brooded only thefirst week or two, and left alone even on cool nights after 12 […]

Systematics and geographic variation in Long-tailed Hermit hummingbirds, the Phaethornis superciliosus-malaris-longirostris species group (trochilidae), with notes on their biogeography.

Long-tailed Hermit (Phaethornis superciliosus) Science Article 1 abstract The degree of relationship between the Variable (Sporophila aurita) and Wing-barred (S. americana) Seedeaters has been debated for over 80 years. The discovery of a zone of hybridization between the former and the Gray Seedeater (S. intermedia), not previously considered to be closely related because of its […]

Evolution of Leks

Long-tailed Hermit (Phaethornis superciliosus) Science Article 2 abstract The most likely reason for males banding in groups known as ‘leks’) for courtship behavior is because it providesan opportunity for females to assess a wide range of males for selection of the best possible traits-and isadvantageous for males because leks increase their chance for encountering females. […]

The nest and eggs of Smorogdites t. theresiae

Green-tailed Goldenthroat (Polytmus theresiae) Science Article 1 abstract Goldenthroat, SwwczRdiles 1. IlIeresiae, is a rather small hummingbird with rounded tail. It is bright green all over except for the primaries and primary coverts, which are dark brownish gray, glossed with purplish blue, and the belly feathers and under tail coverts, which are partly white. The […]

Systematics and geographic variation in Long-tailed Hermit hummingbirds, the Phaethornis superciliosus-malaris-longirostris species group (trochilidae), with notes on their biogeography.

Great-billed Hermit (Phaethornis malaris) Science Article 1 abstract The degree of relationship between the Variable (Sporophila aurita) and Wing-barred (S. americana) Seedeaters has been debated for over 80 years. The discovery of a zone of hybridization between the former and the Gray Seedeater (S. intermedia), not previously considered to be closely related because of its […]

NOTES ON THE LIFE HISTORY OF AMAZZLZA FZMBRZATAIN SURINAM

Glittering-throated Emerald (Polyerata fimbriata) Science Article 1 abstract L ESSON’S Emerald is a medium-sized hummingbird with a rounded tail Above it is bronze-green, darker on the head and tail, brighter and more glittering on the under surface. The bill is almost straight. Three males that I collected in Surinam weighed 4.5, 4.8, and 5.8 grams; […]