Blue-bearded Helmetcrest vs Ruby-throated Hummingbird
Oxypogon cyanolaemus в сравнении с Archilochus colubris
Side-by-Side Comparison
| Характеристика | Blue-bearded Helmetcrest | Ruby-throated Hummingbird |
|---|---|---|
| Научное название | Oxypogon cyanolaemus | Archilochus colubris |
| Отряд | Caprimulgiformes | Caprimulgiformes |
| Семейство | Trochilidae | Trochilidae |
| Охранный статус | Endangered | Least Concern |
| Длина | — | 8,5 cm (3.3 in) |
| Размах крыльев | 14,0 cm (5.5 in) | 11,0 cm (4.3 in) |
| Масса | 4,8 g (0.17 oz) | 3,1 g (0.11 oz) |
| Питание | Nectarivore of Venezuelan páramo; forages at Espeletia and Ericaceae blooms in cold conditions. Catches small … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| Размер кладки | -- | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Общие среды обитания
Нет
Blue-bearded Helmetcrest only
Ruby-throated Hummingbird only
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Blue-bearded Helmetcrest
Rapid, mechanical clicking in even rhythm; dry staccato notes forming continuous even sequence typical of swift.
Ruby-throated Hummingbird
Soft, high-pitched chattering and twittering 'chee-dit'. Also produces a thin 'tik' call in flight. Wing beats create an audible high-pitched humming buzz during hovering.
Geographic Range & Migration
Blue-bearded Helmetcrest
Endemic to the Sierra Nevada de Santa Marta, Colombia, in high páramo at 3,000–4,600 m. Critically endangered.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
Охранный статус
Blue-bearded Helmetcrest
Ruby-throated Hummingbird
How to Tell Them Apart
Blue-bearded Helmetcrest
Ruby-throated Hummingbird
Metallic green upperparts and greyish-white underparts. Males have a brilliant iridescent ruby-red gorget that appears black in poor light. Females lack the gorget.
Long, straight, thin black bill adapted for probing flowers
About These Birds
Blue-bearded Helmetcrest
A small hummingbird (11-12 cm) endemic to the Sierra Nevada de Santa Marta, Colombia, at 3,500-4,700 m. Males have a blue beard and erect crest. Critically Endangered due to extremely restricted páramo habitat on an isolated mountain range.
Ruby-throated Hummingbird
The ruby-throated hummingbird is the only breeding hummingbird in eastern North America. These tiny birds beat their wings about 53 times per second and can fly backwards, sideways, and even briefly upside down. They make an extraordinary non-stop 800 km crossing of the Gulf of Mexico during migration.