Rock Pigeon (also known as Rock Dove, Feral Pigeon, or Pombo-doméstico)
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Columbiformes, Family: Columbidae, Genus: Columba, Species: Columba livia
Family: Columbidae (Doves and Pigeons)
- Shape
- Asymmetrical with a narrower leading edge and a broader trailing edge; the tip is slightly rounded to pointed with a gentle curvature characteristic of wing feathers designed for rapid take-off.
- Size
- Estimated between 12 to 15 cm (4.7 to 5.9 inches) in length, which is standard for an adult Rock Pigeon primary feather.
- Rarity
- Very Common; one of the most abundant and easily spotted birds in the world.
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Description
This is a sturdy flight feather from a Rock Pigeon, a medium-sized bird with a chunky body, short legs, and a small head. Rock Pigeons in the wild typically have bluish-grey plumage with two black wing bars and iridescent neck feathers, though urban 'feral' individuals vary from white to pied to solid black.
Colour & Pattern
Uniformly dark slate grey to charcoal black on the dorsal surface, indicating it likely came from a dark-phase or wild-type individual. The ventral side is slightly paler with a matte silvery sheen.
Barb Structure
Mostly pennaceous and tightly interlocked for aerodynamic efficiency, transitioning to a small plumulaceous (downy) section at the base (superior umbilicus) for insulation.
Texture & Surface
Smooth and firm texture with a slightly waxy, matte finish. The trailing edge is flexible while the leading edge is stiff to resist air pressure.
Key Features
Deep slate-grey coloration, strong vane asymmetry, and the specific yellowish-white tint of the calamus (quill base) are diagnostic for this species.
Habitat
Extremely versatile; found in urban city centers, rocky cliffs, agricultural areas, and open parks across Brazil.
Geographic Range
Globally distributed; in Brazil, they are found in nearly every inhabited region, particularly concentrated in urban landscapes and farmland.
Ecological Role
They serve as a primary food source for urban raptors like Peregrine Falcons. They are also prolific seed eaters and can act as nutrient recyclers in urban environments.
Similar Species
Eared Dove (Zenaida auriculata) feathers are smaller and usually more brownish-grey; Picazuro Pigeon (Patagioenas picazuro) feathers are larger and often show different grey tonal shifts.
Interesting Facts
Rock Pigeons were the first birds to be domesticated (over 5,000 years ago) and possess a remarkable homing ability, using the Earth's magnetic field and smell to find their way home from hundreds of miles away.
Condition Notes
Fair to Good condition; there is some separation (zipper-like gaps) in the trailing edge barbs and some wear at the tip, likely due to natural molting or impact.
Notes
Find in Brasil