The wreathed hornbill is called wreathed hornbill in foreign language, and has 2 subspecies.
The wreathed hornbill often moves in small groups of 3 to 5. The call is monotonous, hoarse, and like a dog barking, and sometimes it can also make a low two-syllable sound. It appears to be rather clumsy when flying, and the sound of its wings can be heard from a long distance. Sometimes it also enters the vicinity of villages and orchards to move around and forage.
The crowned hornbill is a resident bird. It mainly feeds on plant fruits, and also eats animal food such as tree frogs, bats, and lizards.
According to research in India, the breeding season of the crowned hornbill is from February to June. It nests in trees, especially in giant trees with dense trees. Each nest lays 2 to 3 eggs, sometimes only 1 egg. The eggs are white, sometimes stained with yellow, smooth and spotless. The size of the eggs is 49.5~72.5 mm × 38.0~47.1 mm according to the measurement of 24 eggs, with an average of 62.0 mm × 43.2 mm.
The global population of the crowned hornbill has not been quantified, but it is relatively common in some areas of its origin. Due to the continuous destruction and fragmentation of habitats, as well as the reduction of predation range, the population of this bird is on a downward trend.
The crowned hornbill was discovered in Yunnan. It was first discovered when two skull specimens were seen in the homes of local hunters. The scarcity of the bird population is related to the large-scale hunting by local hunters. It is reported that the population of this bird is also very scarce in India, because local people kill it in large numbers and sell it for medicinal purposes. Obviously, strengthening management and strictly prohibiting killing is crucial to protecting this bird.
Listed in the IUCN Red List: Least Concern (LC), assessed in 2012.
Listed in the "National Key Protected Wildlife List": National Second Class Protected Animal (effective December 10, 1988). (Note: Hornbill family, all species)
Listed in the "China National Key Protected Wildlife List" first class.
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