pato-de-laysan vs Long-tailed Sylph
Anas laysanensis compared with Aglaiocercus kingii
Key Differences
- pato-de-laysan is Critically Endangered while Long-tailed Sylph is Least Concern.
Taxonomic Classification
| Rank | pato-de-laysan | Long-tailed Sylph |
|---|---|---|
| Kingdom same | Animalia (Animals) | Animalia (Animals) |
| Phylum same | Chordata (cordados) | Chordata (cordados) |
| Class same | Aves (ave) | Aves (ave) |
| Order | Anseriformes (Anseriformes) | Apodiformes (Apodiformes) |
| Family | Anatidae | Trochilidae |
| Genus | Anas | Aglaiocercus |
| Species | Anas laysanensis | Aglaiocercus kingii |
Evolutionary Relationship
pato-de-laysan and Long-tailed Sylph share a common ancestor at the Class level: Aves. (ave)
Conservation Status
pato-de-laysan
CR — Critically EndangeredLong-tailed Sylph
LC — Least ConcernPhysical Characteristics
| Attribute | pato-de-laysan | Long-tailed Sylph |
|---|---|---|
| Diet | — | — |
| Average Lifespan | — | — |
| Average Length | — | — |
| Average Weight | — | — |
Habitat & Geographic Range
pato-de-laysan
Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.
Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.
Long-tailed Sylph
Typically found in various aerial, terrestrial, and aquatic environments.
Distributed across Colombia, Ecuador, Norway, and Venezuela.
pato-de-laysan
O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.
Long-tailed Sylph
Um dos beija-flores mais vistosamente ornamentados, os machos do beija-flor-de-cauda-longa (Aglaiocercus kingii) possuem plumagem verde-iridescente e retrizes externas dramaticamente alongadas em forma de fita, atingindo até 22 cm — mais de três vezes o comprimento do corpo. Encontrado nas florestas nubladas andinas da Colômbia e Venezuela, habita florestas montanas úmidas entre 1.400 e 2.800 metros de altitude. Os machos realizam voos elaborados para atrair as fêmeas. Suas caudas extravagantes são um exemplo clássico de seleção sexual por preferência feminina.
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