Olivaceous Thornbill vs Great Sapphirewing
Chalcostigma olivaceum comparé à Pterophanes cyanopterus
Side-by-Side Comparison
| Attribut | Olivaceous Thornbill | Great Sapphirewing |
|---|---|---|
| Nom scientifique | Chalcostigma olivaceum | Pterophanes cyanopterus |
| Ordre | Caprimulgiformes | Caprimulgiformes |
| Famille | Trochilidae | Trochilidae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 16,3 cm (6.4 in) | 21,0 cm (8.3 in) |
| Poids | 7,3999999999999995 g (0.26 oz) | 10,05 g (0.35 oz) |
| Régime alimentaire | 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 … |
| Taille de la couvée | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Olivaceous Thornbill only
Aucun(e)
Great Sapphirewing only
Aucun(e)
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.
Statut de conservation
Olivaceous Thornbill
Great Sapphirewing
About These Birds
Olivaceous Thornbill
A small hummingbird (11-12 cm) found in Andean puna and páramo from Peru to Bolivia at 3,500-4,800 m. Olive-green plumage with subtle throat iridescence. Nectarivore of high-altitude flowering plants. One of the drabbest thornbills. Tolerates extreme cold.
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.