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 […]
Fork tailed Woodnymph (Thalurania furcata)
[order] Apodiformes | [family] Trochilidae | [latin] Thalurania furcata | [UK] Fork-tailed Woodnymph | [FR] Dryade a queue fourchue | [DE] Schwalbennymphe | [ES] Zafiro Golondrina | [IT] Ninfa dei boschi codaforcuta | [NL] Vorkstaartbosnimf Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Thalurania furcata SA widespread Thalurania furcata baeri ne […]
Ruby-throated Hummingbird (Archilochus colubris)
[order] APODIFORMES | [family] Trochilidae | [latin] Archilochus colubris | [UK] Ruby-throated Hummingbird | [FR] Colibri a gorge rubis | [DE] Rubinkehlkolibri | [ES] Colibri Gorgirrubi, Colibri Garganta de Rubi (Cr), Colibri Cuello de Rubi (HN) | [NL] Robijnkeelkolibrie Subspecies Monotypic species Physical charateristics The male Ruby-throat has a glowing fiery red throat, iridescent green […]
Annas Hummingbird (Calypte anna)
[order] APODIFORMES | [family] Trochilidae | [latin] Calypte anna | [UK] Annas Hummingbird | [FR] Colibri d’Anna | [DE] Annakolibri | [ES] Colibri de Ana | [NL] Anna’s Kolibrie Subspecies Monotypic species Physical charateristics Male: The only United States hummer with a red crown. Throat is red. Female: Similar to females of other West Coast […]
Glittering throated Emerald (Polyerata fimbriata)
[order] Apodiformes | [family] Trochilidae | [latin] Polyerata fimbriata | [UK] Glittering-throated Emerald | [FR] Ariane de Linne | [DE] Glanzkehl-Amazilie | [ES] Diamante de Cabeza Parda | [IT] Amazilia gola scintillante | [NL] Franje-amazilia Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Amazilia fimbriata SA widespread Amazilia fimbriata apicalis e […]