Olivaceous Thornbill vs Great Sapphirewing
Chalcostigma olivaceum comparado com Pterophanes cyanopterus
Side-by-Side Comparison
| Atributo | Olivaceous Thornbill | Great Sapphirewing |
|---|---|---|
| Nome científico | Chalcostigma olivaceum | Pterophanes cyanopterus |
| Ordem | Caprimulgiformes | Caprimulgiformes |
| Família | Trochilidae | Trochilidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 16,3 cm (6.4 in) | 21,0 cm (8.3 in) |
| Peso | 7,3999999999999995 g (0.26 oz) | 10,05 g (0.35 oz) |
| Dieta | Nectarivore of high Bolivian and Peruvian páramo; short bill accesses small open flowers. Gleans insects … | Nectarivore of high Andean cloud forest and treeline; one of the largest hummingbirds. Visits Ericaceae … |
| Tamanho da postura | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Olivaceous Thornbill only
Nenhum
Great Sapphirewing only
Nenhum
Song & Call Comparison
Olivaceous Thornbill
Buzzy, high-frequency trill with insect-like quality; sustained continuous vibration with rapid amplitude modulation.
Great Sapphirewing
Buzzy, insect-like trill with pulsing rhythm; high-frequency vibration with slight amplitude modulation near flowers.
Geographic Range & Migration
Olivaceous Thornbill
Widespread in high Andean puna grassland from Peru to Bolivia and northwestern Argentina. 3,200–4,800 m.
Great Sapphirewing
Found in high Andean cloud forests and páramo from Colombia south through Ecuador and Peru to Bolivia. 2,400–3,800 m.
Estado de conservação
Olivaceous Thornbill
Great Sapphirewing
About These Birds
Olivaceous Thornbill
Espigueiro-oliváceo (Chalcostigma olivaceum), 9–10 cm. Plumagem oliváceo-esverdeada, garganta com gorget pequeno e colorido variável entre roxo e verde. Habita páramos e matorrales de altitude nos Andes do Peru e Bolívia. Alimenta-se de néctar de flores de altitude e pequenos insetos.
Great Sapphirewing
A large hummingbird (18 cm, wingspan 28 cm) found in Andean cloud forests from Colombia to Bolivia at 2,500-3,500 m. Brilliant sapphire-blue wings, green body, and long tail. One of the largest hummingbirds. Nectarivore of montane forest, visiting large-flowered Ericaceae.