Clamator
Encyclopedia
Clamator is a genus of large cuckoo
s. There are four species:
Clamator cuckoos are found in warmer parts of southern Europe
and Asia
, and in Africa
south of the Sahara Desert. These are birds of warm open scrubby habitats, but some species are at least partially migratory
, leaving for warmer and wetter areas in winter.
These are large cuckoos, all at least 33 cm long, with broad chestnut wings and long narrow tails. They are strikingly patterned with black, white and brown plumage
. The sexes are similar but the juvenile plumages are distinctive. The two African species each also have two distinct colour morphs, light and dark.
All the Clamator cuckoos are brood parasite
s, which lay a single egg
in the nests
of medium sized hosts, such as magpie
s, starlings, shrike
s, laughingthrush
es, bulbul
s and babbler
s, depending on location. Unlike the Common Cuckoo
, neither the hen nor the hatched chick of Clamator species evict the host's eggs, but the host’s young often die because they cannot compete successfully with the cuckoo for food.
These are noisy birds, with persistent and loud calls. They feed on large insect
s, with hairy caterpillar
s, which are distasteful to many birds, being a speciality.
Cuckoo
The cuckoos are a family, Cuculidae, of near passerine birds. The order Cuculiformes, in addition to the cuckoos, also includes the turacos . Some zoologists and taxonomists have also included the unique Hoatzin in the Cuculiformes, but its taxonomy remains in dispute...
s. There are four species:
- Great Spotted CuckooGreat Spotted CuckooThe Great Spotted Cuckoo is a member of the cuckoo order of birds, the Cuculiformes, which also includes the roadrunners, the anis and the coucals....
, Clamator glandarius - Jacobin Cuckoo or Pied Cuckoo, Clamator jacobinus
- Levaillant's CuckooLevaillant's CuckooLevaillant's Cuckoo, Clamator levaillantii is a cuckoo which is a resident breeding species in Africa south of the Sahara. It is found in bushy habitats. It is a brood parasite, using the nests of bulbuls and babblers...
, Clamator levaillantii - Chestnut-winged CuckooChestnut-winged CuckooThe Chestnut-winged Cuckoo or Red-winged Crested Cuckoo is a cuckoo found in Southeast Asia and parts of South Asia. It has dark glossy upperparts, a black head with long crest chestnut wings, a long graduated glossy black tail, rufous throat dusky underside and a narrow white nuchal half collar...
, Clamator coromandus
Clamator cuckoos are found in warmer parts of southern Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
and Asia
Asia
Asia is the world's largest and most populous continent, located primarily in the eastern and northern hemispheres. It covers 8.7% of the Earth's total surface area and with approximately 3.879 billion people, it hosts 60% of the world's current human population...
, and in Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
south of the Sahara Desert. These are birds of warm open scrubby habitats, but some species are at least partially migratory
Bird migration
Bird migration is the regular seasonal journey undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather. Sometimes, journeys are not termed "true migration" because they are irregular or in only one direction...
, leaving for warmer and wetter areas in winter.
These are large cuckoos, all at least 33 cm long, with broad chestnut wings and long narrow tails. They are strikingly patterned with black, white and brown plumage
Plumage
Plumage refers both to the layer of feathers that cover a bird and the pattern, colour, and arrangement of those feathers. The pattern and colours of plumage vary between species and subspecies and can also vary between different age classes, sexes, and season. Within species there can also be a...
. The sexes are similar but the juvenile plumages are distinctive. The two African species each also have two distinct colour morphs, light and dark.
All the Clamator cuckoos are brood parasite
Brood parasite
Brood parasites are organisms that use the strategy of brood parasitism, a kind of kleptoparasitism found among birds, fish or insects, involving the manipulation and use of host individuals either of the same or different species to raise the young of the brood-parasite...
s, which lay a single egg
Bird egg
Bird eggs are laid by females and incubated for a time that varies according to the species; a single young hatches from each egg. Average clutch sizes range from one to about 17...
in the nests
Bird nest
A bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American Robin or Eurasian Blackbird, or the elaborately woven hanging nest of the...
of medium sized hosts, such as magpie
Magpie
Magpies are passerine birds of the crow family, Corvidae.In Europe, "magpie" is often used by English speakers as a synonym for the European Magpie, as there are no other magpies in Europe outside Iberia...
s, starlings, shrike
Shrike
Shrikes are passerine birds of the family Laniidae. The family is composed of thirty-one species in three genera. The family name, and that of the largest genus, Lanius, is derived from the Latin word for "butcher", and some shrikes were also known as "butcher birds" because of their feeding habits...
s, laughingthrush
Laughingthrush
The Laughingthrushes are the genus Garrulax of the large Old World babbler family of passerine birds. They occur in tropical Asia, with the greatest number of species occurring in the Himalaya and southern China....
es, bulbul
Bulbul
Bulbuls are a family, Pycnonotidae, of medium-sized passerine songbirds. Many forest species are known as greenbuls. The family is distributed across most of Africa and into the Middle East, tropical Asia to Indonesia, and north as far as Japan. A few insular species occur on the tropical islands...
s and babbler
Old World babbler
The Old World babblers or timaliids are a large family of mostly Old World passerine birds. They are rather diverse in size and coloration, but are characterised by soft fluffy plumage. These are birds of tropical areas, with the greatest variety in Southeast Asia and the Indian Subcontinent...
s, depending on location. Unlike the Common Cuckoo
Common Cuckoo
The Common Cuckoo is a member of the cuckoo order of birds, Cuculiformes, which includes the roadrunners, the anis and the coucals....
, neither the hen nor the hatched chick of Clamator species evict the host's eggs, but the host’s young often die because they cannot compete successfully with the cuckoo for food.
These are noisy birds, with persistent and loud calls. They feed on large insect
Insect
Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...
s, with hairy caterpillar
Caterpillar
Caterpillars are the larval form of members of the order Lepidoptera . They are mostly herbivorous in food habit, although some species are insectivorous. Caterpillars are voracious feeders and many of them are considered to be pests in agriculture...
s, which are distasteful to many birds, being a speciality.