Blue-Chested Hummingbird or Anna's Hummingbird?
Here's how to tell the difference
Blue-Chested Hummingbird
Anna's Hummingbird
Blue-Chested Hummingbird
Polyerata amabilis
Also known as: Blue Chested Hummingbird
General appearance
The Blue-chested Hummingbird, a colorful creature, has a metallic green upper body. Its lower body varies between dark green and blue. It has bright white spots on its tail feathers and a slender, straight beak ideal for feeding on nectar.
Male vs female
Distinguishing between a male and female Blue-chested Hummingbird can be challenging as both sexes share the same colorations. However, males are usually more luminous and have more blue on their chests compared to their female counterparts.
Juvenile
Juvenile Blue-chested Hummingbirds resemble their adult counterparts, although their plumage may not be as vibrant. As they mature, their colors gradually become brighter. Differences between sexes are negligible during this stage of development.
Size
2.8 - 4.3 in/0.1 - 0.2 oz
There's more to learn about Blue-Chested Hummingbird
View full detailsAnna's Hummingbird
Calypte anna
General appearance
Feast your eyes on Anna's hummingbirds! These radiant beauties are a vibrant combination of elegant form and stunning color. Their body is adorned with green and grey shades, offering a subtle yet captivating sight. The lower body beams with a light grey-white color, balancing the otherwise rich tones. Despite their relatively small size of about 9cm, they own their presence, darting daringly through the skies.
Male vs female
Males and females of Anna's hummingbirds showcase a delightful color variation. The males steal the spotlight with their breath-taking iridescent crimson-red crowns and throats, shimmering brilliantly in direct sunlight. Their back is metallic green, a perfect contrast to their radiant front. The ladies, on the other hand, adorn a more modest attire of green on top and greyish white underneath. Some females may display a subtle touch of red marking on their throat, adding a dash of secret charm.
Juvenile
The juveniles initially mirror the females in coloration carrying the green-grey theme. But as they grow, the young male Anna's hummingbirds start developing their glamorous red feathers that herald their entry into adulthood. A hint of this transformation is their first indicator of age. Regardless of age, the Anna's hummingbirds keep their vibrant energy, embodying the spirit of free flight throughout their life!
Size
3.7 - 4.1 in/0.1 - 0.2 oz
There's more to learn about Anna's Hummingbird
View full detailsHow to tell the Blue-Chested Hummingbird from the Anna's Hummingbird
Visual differences
The Blue-Chested Hummingbird is 2.75-4.3 inches long, with metallic green upperparts and a varied dark green to blue lower body. Both sexes appear similar, but males have brighter blue chests. It has bright white tail spots and a straight beak. Anna's Hummingbird, at 3.7-4.1 inches, features a green and gray body with males flaunting iridescent crimson-red crowns and throats, contrasting their metallic green back. Females are green on top and gray-white below with possible throat red speckles. Anna's beak is slightly more curved.
Key differences and behavior
Anna's Hummingbird and the Blue-Chested Hummingbird exhibit notable behavioral differences. Anna's prefers diverse habitats like gardens and woodlands across North America, while the Blue-Chested favors tropical lowland forests in Central and South America. Anna's males perform dramatic dive displays during courtship, in contrast to the Blue-Chested's aerial acrobatics and singing in leks. Both species feed on nectar and insects, though they frequent different flower species. During nectar scarcity, the Blue-Chested aggressively defends territory, unlike Anna's more sedentary approach. Nest-wise, Anna's nests as early as December in varied locations, whereas the Blue-Chested constructs camouflaged nests primarily in trees.
Still not sure? Here are more lookalikes!
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