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Overview
Blue-gray gnatcatcher

Blue-gray gnatcatcher

Wikipedia

The blue-gray gnatcatcher is a very small gnatcatcher native to North America.

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Distribution

Region

North America

Typical Environment

Breeds widely across the United States, southern Canada, and northern Mexico, and winters from the southern United States through Mexico, the Caribbean, and into Central America. It favors open woodlands, scrubby edges, riparian corridors, and oak-pine habitats. In urban and suburban areas, it uses parks and tree-lined neighborhoods with dense foliage. During migration it occurs in a broad range of habitats, including coastal thickets and desert washes. It is adaptable as long as there is a rich supply of small arthropods.

Altitude Range

0–2500 m

Climate Zone

Temperate

Characteristics

Size10–12 cm
Wing Span16–20 cm
Male Weight0.006 kg
Female Weight0.0055 kg
Life Expectancy5 years

Ease of Keeping

Beginner friendly: 1/5

Useful to know

The blue-gray gnatcatcher is a very small, hyperactive songbird that constantly flicks its long tail, flashing white outer tail feathers as it forages. Males develop a thin black brow in the breeding season, which disappears in winter. Its tidy, camouflaged cup nest is bound with spider silk and often decorated with lichens, making it hard to spot.

Gallery

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A juvenile blue-gray gnatcatcher in San Bruno

A juvenile blue-gray gnatcatcher in San Bruno

Behaviour

Temperament

social and active

Flight Pattern

short rapid wingbeats

Social Behavior

Typically forages in pairs during the breeding season and joins mixed-species flocks outside of it. Builds a small, lichen-covered cup nest on a horizontal branch; both sexes contribute to nest building and care. Generally monogamous within a season and territorial while breeding.

Migratory Pattern

Seasonal migrant

Song Description

A high, thin, buzzy series of wheezy notes and short trills delivered in variable sequences. Calls include sharp, scolding chips and whispery wheeze-like notes, often given while actively foraging.

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