Red-crested pochard |
Автор: master official 5
Загружено: 2021-12-27
Просмотров: 965
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🌋🌋🌋 WORLD WILDLIFE INFORMETION 🌋🌋🌋
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Range
Red-crested pochards have an extensive but scattered range that includes parts of North Africa as well as Europe, the Middle East, Russia, India, and much of Asia. This species of duck seeks quiet waters such as inland lakes, slow-flowing rivers, and large lagoons with protective vegetation.
Length
about 22 inches
Lifespan: With good husbandry, Red Crested Pochard Ducks can live over 10 years old. Size: These are large ducks, weighing 2-2.5 lbs and being about 22 inches in length.
Lifespan/Longevity
There are no overall survival or mortality monitoring systems throughout
Europe, but separate arcas do surveys. Very little has been published
about annual survival rates in N. rufina. Duckling and fledgling survivor
ship, however, has been monitored in Spain and Germany, an average 5.5
to 6.8 ducklings per clutch survive to two weeks old, and an average of 1.3
to 4.4 survive to independence. Little is known about N. rafina longevity
and lifespan while in captivity.
Behavior
Typical lifespan
Status: wild 4 to 7 years
Red-crested pochards are migratory and disperse locally as well. Breeding
occurs from mid-April through July at times in single pairs or loose
groups. During this time, male pochards and non breeders molt and be
come flightless for around four weeks from June through August. The
birds travel to their wintering grounds in October after the molting and
breeding seasons are complete. During winter migration, red-crested
pochards form large groups with hundreds of other individuals. As a diur
nal species, these birds are most active in the morning and in the evening.
Home Range
Red-crested pochards can be found from the British isles all the way to
China. Territory size is unknown in this species, since it is often on the
move and does not always occupy the same areas each year.
Communication and Perception
Not much is known about red-crested pochard communication systems.
Sound is important when calling other flocks to a feeding area, smell is
important for mating, and touch is important when caring for young.
Sight allows birds to see body language, identify others, find food, and
care for young.
Food Habits
Red-crested pochards are herbivores. During the breeding season, they feed on aquatic plants and algae (macrophytes and charophytes). Outside
the the breeding season they also eat sedges, tape grasses, and rice, which
helps them adapt to a winter seed diet.
Predation
Humans are the only predator species that affects the population of these
birds, Humans affect red-crested pochards in many ways, including habi
tat loss, hunting, and pollution.
Ecosystem Roles
Little information is available on the role of red-crested pochards in the
ecosystem. However, this species helps control wetland plant populations
and acts as a seed disperser.
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