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The great reed warblers' responses to the common cuckoo eggs varied: 66% accepted the egg(s); 12% ejected them; 20% abandoned the nests entirely; 2% buried the eggs. 28% of the cuckoo eggs were described as "almost perfect" in their mimesis of the host eggs, and the warblers rejected "poorly mimetic" cuckoo eggs more often.
The cuckoo egg hatches earlier than the host eggs, and the cuckoo chick grows faster; in most cases, the chick evicts the eggs and/or young of the host species. The chick has no time to learn this behavior, nor does any parent stay around to teach it, so it must be an instinct passed on genetically. Reed warbler raising the young of a common cuckoo
The female cuckoo in each case replaces one of the host's eggs with one of her own. The cuckoo egg hatches earlier than the host's, and the chick grows faster; in most cases the cuckoo chick evicts the eggs or young of the host species. Cuculus species lay coloured eggs to match those of their passerine hosts. Female cuckoos specialise in a ...
When the little bronze cuckoo lays its eggs in a host’s nest, it often throws out an egg already occupying the nest. It also occasionally lays eggs in a nest before the host does. [13] While hosts do not throw out cuckoo eggs, [15] Geryone magnirostris and Geryone levigaster have been documented rejecting little bronze cuckoo hatchlings. [6]
The Himalayan cuckoo (C. saturatus) is extremely similar to the Oriental cuckoo but is slightly smaller and shorter-winged. The call of the male Oriental cuckoo is a series of low paired notes, poo-poo, with both notes stressed equally. It is somewhat similar to the call of the hoopoe. It may be introduced with a four to eight note phrase or ...
Jacobin cuckoo: Clamator jacobinus (Boddaert, 1783) 77 Little cuckoo: Coccycua minuta (Vieillot, 1817) 78 Dwarf cuckoo: Coccycua pumila (Strickland, 1852) 79 Ash-colored cuckoo: Coccycua cinerea (Vieillot, 1817) 80 Squirrel cuckoo: Piaya cayana (Linnaeus, 1766) 81 Black-bellied cuckoo: Piaya melanogaster (Vieillot, 1817) 82 Dark-billed cuckoo
This is a list of the bird species recorded in Vietnam.The avifauna of Vietnam include a total of 963 species, of which 18 are endemic, and 5 have been introduced.. This list's taxonomic treatment (designation and sequence of orders, families and species) and nomenclature (common and scientific names) follow the conventions of The Clements Checklist of Birds of the World, 2022 edition.
The Asian koel like many of its related cuckoo kin is a brood parasite that lays its eggs in the nests of crows and other hosts, who raise its young. They are unusual among the cuckoos in being largely frugivorous as adults. [5] The name koel is echoic in origin with several language variants. The bird is a widely used symbol in Indian and ...