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Northern Mockingbird (Mockingbird)
Tail feather (Rectrix, likely outer rectrix R5 or R6)

Northern Mockingbird (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-tapered tip, showing clear white patches characteristic of outer tail feathers in this species.
Size
Approximately 3.5 to 4.5 inches long, typical for an outer tail feather of a medium-sized songbird.
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Description

The Northern Mockingbird is a medium-sized grey songbird renowned for its exceptional mimicry and complex musical repertoire. Adults feature grey upperparts, paler grey-white underparts, and notable white patches on the wings and outer tail feathers that flash dramatically during courtship and territorial displays.

Colour & Pattern

Striking pattern featuring a stark white tip and outer web, contrasting sharply with a dark slate-grey to blackish base and inner web. The rachis is dark grey near the base and transitions to white along the distal white portion.

Barb Structure

Pennaceous vane structure with tightly interlocked barbs and barbicels along the main blade, transitioning to slightly plumulaceous down at the very base.

Rachis & Barb Pattern

Slender, flexible, slightly curved central rachis with a rounded dorsal cross-section and grooved ventral side. Barbs are dense, uniform, and set at a moderate angle.

Texture & Surface

Smooth, silky, and matte texture with rigid pennaceous vanes providing aerodynamic stability during flight and display.

Feather Placement

Tail (Rectrix). Determined by the distinctive white and black/grey color blocking and elongated shape typical of outer tail feathers used in signaling.

Key Features

High contrast combination of deep charcoal-grey/black with a broad, pure white tip on the outer web and feather tip, characteristic of outer rectrices in Mimidae.

Habitat

Open country, forest edges, suburban areas, parks, gardens, and scrublands across North and Central America.

Geographic Range

Resident throughout the United States, southern Canada, Mexico, and the Caribbean, with northern populations occasionally moving slightly south in winter.

Ecological Role

Acts as an important seed disperser and insect predator, helping control garden pests while serving as a prominent vocal element in suburban and rural ecosystems.

Similar Species

Loggerhead Shrike or Brown Thrasher, though shrikes lack the extensive clean white outer tail pattern and thrashers possess warmer reddish-brown tones.

Interesting Facts

A single male mockingbird can learn over 200 songs, including the calls of other birds, mechanical sounds, and even alarms of frogs or insects.

Cultural Significance

Featured prominently in American literature, music, and folklore (such as Harper Lee's novel To Kill a Mockingbird). Historically captured as cage birds in the 19th century for their singing ability.

Field Identification Tips

Look for the stark black-and-white contrast on outer tail feathers, commonly found dropped near brush piles, suburban gardens, or nesting territories.

Condition Notes

Good condition, fresh appearance with intact barbs and minimal wear at the tip.

Northern Mockingbird (Mockingbird) | Feather Identifier