Blue-Chested Hummingbird or Anna's Hummingbird?

Here's how to tell the difference

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Blue-Chested Hummingbird

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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

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How 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.

Blue-Chested Hummingbird vs [Select a bird]

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