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; […]
Category: Trochilidae
GEOGRAPHIC VARIATION AND SPECIES LIMITS IN MIDDLE AMERICAN WOODNYMPHS (THALURANIA)
Fork-tailed Woodnymph (Thalurania furcata) Science Article 1 abstract We analyzed geographic variation in morphology and plumage coloration in male woodnymphs of the genus Thalurunia in Middle America and northwestern South America. Morphometric characters distinguish the disjunct western Mexican populations from populations to the south. Three groups are distinguished by discrete plumage coloration characters. We propose […]
Distribution, variation, and taxonomy of Topaza hummingbirds (aves: trochilidae)
Crimson Topaz (Topaza pella) Science Article 1 abstract We review the distribution, variation, and taxonomy of the Crimson Topaz (Topaza pella) and theFiery Topaz (Topaza pyra). Both taxa show sexual dimorphism of foot color and notable age-related variationin plumage. Topaza pyra shows distinct and reliable differences from T. pella and warrants specific status.We describe a […]
A nest of the Rufous-breasted Hermit with three eggs
Bronzy Hermit (Glaucis aeneus) Science Article 1 abstract On 10 January 1968I walked on a sand ridge between two swamps north of Paramaribo, Surinam, when Isaw two Rufous-breastedH ermits (Gla cis hirs ta) in an aerial fight that ended withone bird hotly pursuing the other. I took no special notice of it as this is […]
Blue-tailed emerald Hummingbird (Chlorostilbon mellisugus) nesting and nestling development
Blue-tailed Emerald (Chlorostilbon mellisugus) Science Article 1 abstract A nest of the Blue-tailed Emerald Hummingbird (Chlorostilbon mellisugus) was studied from the early finding of two eggs through to the loss of the single surviving nestling on day 19. Nestling growth and development, as well as female attendance during incubation and brooding are reported. The body […]
Braces Emerald (Chlorostilbon bracei)
The story Although there is indeed fairly general acceptance of Brace’s Emerald as a valid species, the same doubts hang about it as in the aforementioned cases, and the present author considers it to be a rather poorly established species. However, a number of hummingbird experts have spoken in its favour and in line with […]
Black throated Mango (Anthracothorax nigricollis)
[order] Apodiformes | [family] Trochilidae | [latin] Anthracothorax nigricollis | [UK] Black-throated Mango | [FR] Mango a cravate noire | [DE] Schwarzbrust-Mangokolibri | [ES] Mango Gorginegro | [IT] Mango collonero | [NL] Zwartkeelmango Subspecies Monotypic species Physical charateristics The male has glossy bright green upperparts. His throat and chest are matt black, bordered with blue-green. […]
Racket-tailed Coquette (Discosura longicaudus)
[order] APODIFORMES | [family] Trochilidae | [latin] Discosura longicaudus | [UK] Racket-tailed Coquette | [FR] Coquette a raquettes | [DE] Diskuselfe | [ES] Rabudito de Raquetas | [NL] Vlagstaartkolibrie Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Trochilus longicaudus Discosura longicaudus SA ne SA, e Brazil Physical charateristics The male is […]
White tailed Goldenthroat (Polytmus guainumbi)
[order] Apodiformes | [family] Trochilidae | [latin] Polytmus guainumbi | [UK] White-tailed Goldenthroat | [FR] Colibri guainumbi | [DE] Bronzerucken-Glanzkehlchen | [ES] Colibri Guainumbi | [IT] Colibri codadorata codabianca | [NL] Witstaart Goudkeelkolibrie Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Polytmus guainumbi SA n, ne, se Polytmus guainumbi andinus e […]
Tufted Coquette (Lophornis ornatus)
[order] Apodiformes | [family] Trochilidae | [latin] Lophornis ornatus | [UK] Tufted Coquette | [FR] Coquette huppe-col | [DE] Schmuckelfe | [ES] Coqueta Adornada | [IT] Colibri coquette ornato | [NL] Gekuifde Koketkolibrie Subspecies Monotypic species Physical charateristics The male Tufted Coquette is a striking bird. It has a rufous head crest and a coppery […]