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Northern Mockingbird
Tail feather (rectrix), specifically an outer rectrix showing white terminal margins

Northern Mockingbird

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Mimidae, Genus: Mimus, Species: M. polyglottos

AI-generated identification · may be incorrect

Family: Mimidae (Mockingbirds, Thrashers, and Allied Allies)

Shape
Symmetrical vane with a rounded to slightly pointed tip, elongated shape typical of a passerine tail feather
Size
Approximately 3.5 to 4.5 inches long, consistent with a medium-sized songbird rectrix
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Description

The Northern Mockingbird is a slender grey bird with white patches on its wings and tail, famous for its remarkable ability to mimic the songs of dozens of other bird species, mechanical sounds, and even alarms. They are bold, inquisitive birds known for singing throughout the day and often well into the night during breeding season.

Colour & Pattern

Charcoal grey to blackish base with a prominent, striking white tip and outer web margin, typical of the contrasting outer tail feathers displayed during flight and territorial postures

Barb Structure

Pennaceous vane along the shaft with some plumulaceous (fluffy) barbs near the base; barbs are intact and well-interlocked with barbicels

Rachis & Barb Pattern

Slender, dark central rachis with high-density, uniform barbs angled tightly along the shaft

Texture & Surface

Smooth, firm vane with a matte finish, flexible yet structurally sound for aerodynamic steering during flight

Feather Placement

Tail (outer rectrix), identified by the distinct white patch pattern on the outer web which is diagnostic for tail feathers in this species

Key Features

Contrasting dark grey with a bold white tip and outer edge on the rectrix, perfectly adapted for signaling and species recognition during flight displays

Habitat

Open and semi-open habitats, including edge habitats, suburban yards, parks, gardens, and scrublands

Geographic Range

Resident across North America, ranging from southern Canada through the United States and Mexico, and parts of the Caribbean

Ecological Role

Acts as both a significant insect predator and a seed disperser, while also aggressively defending territories against potential nest predators

Similar Species

Loggerhead Shrike or other medium-sized songbirds, though the specific high-contrast white outer tail pattern separates the mockingbird

Interesting Facts

A single male mockingbird can learn over 200 songs throughout its lifetime, continually adding new sounds to its repertoire

Cultural Significance

Featured prominently in American literature, music (such as the lullaby 'Hush, Little Baby'), and as the state bird for five U.S. states

Field Identification Tips

Look near shrubbery, suburban lawns, and backyard feeders where mockingbirds frequently forage and perch conspicuously

Condition Notes

Good condition with intact barbs and minimal signs of wear or fading