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 […]
Little Hermit (Phaethornis longuemareus)
[order] Apodiformes | [family] Trochilidae | [latin] Phaethornis longuemareus | [UK] Little Hermit | [FR] Ermite nain | [DE] Zwergeremit | [ES] Ermitano Enano | [IT] Eremita minore | [NL] Kleine Heremietkolibrie Subspecies Monotypic species Physical charateristics It is among the smallest hummingbirds with a total length of ca. 9 cm. It is olive-green above […]
Amethyst Woodstar (Calliphlox amethystina)
[order] Apodiformes | [family] Trochilidae | [latin] Calliphlox amethystina | [UK] Amethyst Woodstar | [FR] Colibri amethyste | [DE] Amethyststernkolibri | [ES] Colibri Amatista | [IT] Stella dei boschi ametista | [NL] Amethistboself Subspecies Monotypic species Physical charateristics The male has a straight black bill, a noticeably forked tail and an amethyst throat with a […]
Blue tailed Emerald (Chlorostilbon mellisugus)
[order] Apodiformes | [family] Trochilidae | [latin] Chlorostilbon mellisugus | [UK] Blue-tailed Emerald | [FR] emeraude orvert | [DE] Smaragdkolibri | [ES] Esmeralda de Cola Azul | [IT] Colibri smeraldo codablu | [NL] Blauwstaart-smaragdkolibrie Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Chlorostilbon mellisugus SA n, ne Chlorostilbon mellisugus caribaeus ne […]
Lucifer Sheartail (Calothorax lucifer)
[order] APODIFORMES | [family] Trochilidae | [latin] Calothorax lucifer | [UK] Lucifer Sheartail | [FR] Colibri lucifer | [DE] Luziferkolibri | [ES] Colibri Lucifer | [NL] Luciferkolibrie Subspecies Monotypic species Physical charateristics Note the decurved bill. Male has a purple throat, rusty or buffy sides. No purple on crown (as in Costa’s); tail deeply forked, […]
Grey breasted Sabrewing (Campylopterus largipennis)
[order] Apodiformes | [family] Trochilidae | [latin] Campylopterus largipennis | [UK] Grey-breasted Sabrewing | [FR] Campyloptere a ventre gris | [DE] Graubrust-Degenflugel | [ES] Colibri Pechigris | [IT] Campilottero pettogrigio | [NL] Grijsborstsabelvleugel Subspecies Genus Species subspecies Breeding Range Breeding Range 2 Non Breeding Range Campylopterus largipennis SA Amazonia Campylopterus largipennis aequatorialis e Colombia and […]