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Black Vulture (also known as the American Black Vulture)
Primary flight feather (remex), likely from the outer wing (P1-P5)

Black Vulture (also known as the American Black Vulture)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Cathartiformes, Family: Cathartidae, Genus: Coragyps, Species: Coragyps atratus

AI-generated identification · may be incorrect

Family: Cathartidae (New World Vultures)

Shape
Highly asymmetrical vane; narrowed leading edge (outer vane) with noticeable emargination (notching) for aerodynamic slotting; broad trailing edge (inner vane); rounded to slightly tapered tip
Size
Estimated 25 to 30 cm (10-12 inches) in length; the width is approximately 4-5 cm. This is consistent with the primary feathers of an adult Black Vulture
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Description

A soot-black bird with a naked, wrinkled grey head. In flight, it is distinguished from the Turkey Vulture by its shorter tail, broader wings, and distinctive white patches at the wingtips. It has a heavy, flapping flight style and often soars in large groups called kettles.

Colour & Pattern

Uniformly charcoal black to deep sooty grey with a subtle matte finish; dorsal surface shows a faint oily sheen; ventral (underside) surface is slightly paler grey; rachis is dark but transitions to a lighter, creamy tan at the calamus (quill)

Barb Structure

Tightly interlocked pennaceous barbs throughout the majority of the vane for flight rigidity; some plumulaceous (downy) barbs at the very base of the calamus for insulation

Rachis & Barb Pattern

Thick, sturdy rachis that is dark on the upper side and pale underneath; significant curvature toward the body; barb density is high and uniform to maintain a solid air-resistant surface

Texture & Surface

Stiff and rugged; the surface is somewhat coarse to the touch compared to waterbirds; lacks the 'velvet' silent-flight adaptation of owls; noticeably matte under direct light

Feather Placement

Outer wing (Primary). The extreme asymmetry and stiff rachis are diagnostic of a primary feather responsible for generating lift and thrust

Key Features

Deep charcoal color without banding; extreme asymmetry of the vane; pale/creamy calamus; distinctive notch on the leading edge for air slotting

Habitat

Highly adaptable: found in open landscapes, forests, wetlands, agricultural areas, and increasingly in urban or suburban environments where human refuse is available

Geographic Range

Resident year-round from the southeastern United States through Central America and across nearly all of South America, including all regions of Brazil

Ecological Role

Scavenger/Decomposer; plays a vital role in cleaning the environment by removing carrion and preventing the spread of diseases such as anthrax and rabies

Similar Species

Turkey Vulture (Cathartes aura) feathers are more brownish-black and have a silvery-grey underside throughout the wing. Crested Caracara feathers are banded/mottled. Neotropic Cormorant feathers are glossier and narrower.

Interesting Facts

Unlike Turkey Vultures, Black Vultures have a poor sense of smell and often follow their cousins to carcasses. They are highly social and are known to feed in large, organized groups with a strict social hierarchy.

Cultural Significance

In Mayan mythology, vultures were seen as symbols of transformation and cleansing. Historically used in some indigenous South American rituals, though less common than Macaw feathers due to their somber color.

Field Identification Tips

Look near carcasses, large roosting trees (often near water or tall structures), or urban dumpsters in Brazil. Primary feathers are usually dropped during the summer molt.

Condition Notes

Good condition; minor fraying at the tip and trailing edge suggests natural wear from flight; the calamus is fully formed and clear, indicating a naturally molted feather

Notes

Find in Brasil