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 […]
Category: Trochilidae
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 […]
Brown Violetear (Colibri delphinae)
[order] Apodiformes | [family] Trochilidae | [latin] Colibri delphinae | [UK] Brown Violetear | [FR] Colibri de Delphine | [DE] Brauner Veilchenohrkolibri | [ES] Colibri Pardo | [IT] Colibri orecchieviola bruno | [NL] Bruine Violetoorkolibrie Subspecies Monotypic species Physical charateristics The 11.5 cm long, 6.5-7 g weight Brown Violet-ear is unmistakable; it is mainly dull […]
Flame-throated Sunangel (Heliangelus micraster)
[order] APODIFORMES | [family] Trochilidae | [latin] Heliangelus micraster | [UK] Flame-throated Sunangel | [FR] Heliange menu | [DE] Goldkehl-Sonnennymphe | [ES] Angel del Sol Bronceado | [NL] Zonnekolibrie Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Heliangelus micraster SA Ecuador, Peru Heliangelus micraster cutervensis nw Peru Heliangelus micraster micraster se […]
Rufous throated Sapphire (Hylocharis sapphirina)
[order] Apodiformes | [family] Trochilidae | [latin] Hylocharis sapphirina | [UK] Rufous-throated Sapphire | [FR] Saphir a gorge rousse | [DE] Rotkehl-Saphirkolibri | [ES] Zafiro Gorgirrojo | [IT] Colibri zaffiro golarossiccia | [NL] Roodkeelsaffierkolibrie Subspecies Monotypic species Physical charateristics In the male upperparts, lower breast and belly shiny green. Chin rufous, fore-neck and upperbreast glitttering […]
Green throated Mango (Anthracothorax viridigula)
[order] Apodiformes | [family] Trochilidae | [latin] Anthracothorax viridigula | [UK] Green-throated Mango | [FR] Mango a cravate verte | [DE] Smaragdkehl-Mangokolibri | [ES] Mango Gorgiverde | [IT] Mango golaverde | [NL] Groenkeelmango Subspecies Monotypic species Physical charateristics The male has glossy bright green upperparts with a copper tinge, especially on the rump. His throat […]
Pale-tailed Barbthroat (Threnetes leucurus)
Pale-tailed Barbthroat (Threnetes leucurus) [order] APODIFORMES | [family] Trochilidae | [latin] Threnetes leucurus | [UK] Pale-tailed Barbthroat | [FR] Ermite a queue blanche | [DE] Hellschwanzeremit | [ES] Pico de Sable de Cola Blanca | [NL] Zwartkeelbaardkolibrie Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Anopetia leucurus Threnetes leucurus SA Amazonia […]