Penelope purpurascens
SUBFAMILY
Penelopinae
TAXONOMY
Penelope purpurascens Wagler, 1830, Mexico. Three subspecies.
OTHER COMMON NAMES
English: Purple guan; French: Pйnйlope panachйe; German:
Rostbauchguan; Spanish: Pava Cojolita.
PHYSICAL CHARACTERISTICS
This is the largest species of guan, with some specimens reaching
over 3 ft (90 cm), and nearly 5.5 lb (2.5 kg).
DISTRIBUTION
Ranges from Mexico to Venezuela, northern Colombia, and
southwestern Ecuador.
HABITAT
Generally in humid forest and hilly lowlands. Occasionally
found in gallery forest.
BEHAVIOR
Pairs of crested guans have territories in which they may remain
with their young until the next breeding season.
Crested guans are particularly noisy when disturbed. They
perch high in trees and continually protest with a very loud
prolonged shrieking which sounds peculiarly high for such relatively
large birds.
The crested guan may climb to the top of a high tree at the
edge of a clearing and fly with slow measured beats over the
open space. When it has gained enough speed, it will beat its
wings much more rapidly, producing a loud drumming noise.
Then it may glide for a stretch, drum again, and continue its
flight across the clearing into the trees on the opposite side. This
peculiar drumming is heard only rarely, just at dawn or dusk and
on moonlit nights. The display is likely related to breeding.
FEEDING ECOLOGY AND DIET
Fruits, figs, and berries; also seeds, leaves, shoots, and occasionally
ground insects. Usually forages in the high branches of trees.
REPRODUCTIVE BIOLOGY
Monogamous, possibly maintaining a permanent pair bond.
The birds mature after two to three years. Nests are most often
built in trees, and are made of sticks and twigs and lined
with leaves. The clutch size is typically two eggs.
CONSERVATION STATUS
Not threatened.
SIGNIFICANCE TO HUMANS
This species is often consumed for food.
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