Puerto Rican Emerald vs Allen's Hummingbird
Riccordia maugaeus compared with Selasphorus sasin
Side-by-Side Comparison
| Attribute | Puerto Rican Emerald | Allen's Hummingbird |
|---|---|---|
| Scientific Name | Riccordia maugaeus | Selasphorus sasin |
| Order | Caprimulgiformes | Caprimulgiformes |
| Family | Trochilidae | Trochilidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | — | 8.1 cm (3.2 in) |
| Weight | 4.25 g (0.15 oz) | 3.1500000000000004 g (0.11 oz) |
| Diet | Puerto Rican endemic nectarivore, visiting forest and garden flowers. Supplements nectar with insects and spiders … | Feeds on nectar from coastal sage scrub and forest flowers in California. Supplements diet with … |
| Clutch Size | 2 | 2 |
| Population Trend | — | — |
Habitat Comparison
Song & Call Comparison
Puerto Rican Emerald
Thin, reedy trill with nasal overtone; soft chattering notes delivered continuously during rapid low flight.
Allen's Hummingbird
Deep, resonant churring trill; prolonged low buzzing sound carrying well across broad coastal mangroves.
Geographic Range & Migration
Puerto Rican Emerald
Endemic to Puerto Rico. Resident across the island from coastal lowlands to mountain cloud forests.
Allen's Hummingbird
Breeds along the Pacific coast from Oregon to southern California. Partial migrant; some Channel Islands populations resident year-round.
Conservation Status
Puerto Rican Emerald
Allen's Hummingbird
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.
Allen's Hummingbird
A small hummingbird (8-9 cm) breeding along the Pacific coast from Oregon to southern California. Males have an orange-red throat and rufous flanks. Closely related to Rufous Hummingbird. Partial migrant; some populations resident on Channel Islands. Named after Thomas Allen.