Puerto Rican Emerald vs Ruby-throated Hummingbird
Riccordia maugaeus 比較対象 Archilochus colubris
Side-by-Side Comparison
| 属性 | Puerto Rican Emerald | Ruby-throated Hummingbird |
|---|---|---|
| 学名 | Riccordia maugaeus | Archilochus colubris |
| 目 | Caprimulgiformes | Caprimulgiformes |
| 科 | Trochilidae | Trochilidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 8.5 cm (3.3 in) |
| 翼開長 | — | 11.0 cm (4.3 in) |
| 体重 | 4.25 g (0.15 oz) | 3.1 g (0.11 oz) |
| 食性 | Puerto Rican endemic nectarivore, visiting forest and garden flowers. Supplements nectar with insects and spiders … | Nectar from tubular flowers, supplemented with small insects and spiders for protein. Feeds at over … |
| 一腹卵数 | 2 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Ruby-throated Hummingbird
Deciduous and mixed forests, woodland edges, gardens, and parks with flowering plants. Migrates across the Gulf of Mexico.
Song & Call Comparison
Puerto Rican Emerald
Thin, reedy trill with nasal overtone; soft chattering notes delivered continuously during rapid low flight.
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
Puerto Rican Emerald
Endemic to Puerto Rico. Resident across the island from coastal lowlands to mountain cloud forests.
Ruby-throated Hummingbird
Eastern North America from southern Canada to the Gulf Coast. Winters in Central America and southern Mexico.
保全状況
Puerto Rican Emerald
Ruby-throated Hummingbird
How to Tell Them Apart
Puerto Rican Emerald
Blue-tailed Hummingbird (b): males with glittering blue-green gorget; metallic green above; blue-glossed tail; females green; spotted
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
Puerto Rican Emerald
A small hummingbird (9-10 cm) endemic to Puerto Rico. Bright emerald-green plumage. Nectarivore of forests, gardens, and plantations across the island. Puerto Rico's only endemic hummingbird. Found from coastal lowlands to mountain cloud forests.
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.