Helmet hornbill is a tropical bird in the old world, belonging to Rhinoplax, a family of hornbills and Buddhists. The skull is like a helmet, covered with a protruding beak. Distributed in low-altitude forests below 500 meters in southern Myanmar, southern Thailand, Malay Peninsula, Borneo and Sumatra. Because of its solid skull, red on the outside and yellow on the inside, all kinds of handicrafts made are widely collected, known as crane top red.

Hornbills like to nest in caves, especially in tree holes. Except for two kinds of terrestrial hornbills, many hornbills find a hole to make a nest, and then the female goes in first, and then the male seals the hole with mud, leaving only a small hole to send food in. When a female hatches a bird, she will chisel through the mud wall. However, for the safety of the bird, it may seal the nest again.

Habitat: It mainly inhabits the subtropical evergreen broad-leaved forest at an altitude of 400- 1500m, especially the moist evergreen broad-leaved forest along the river, and sometimes it enters villages and orchards for activities and foraging.

Body type: mouth peak ♂202-2 19mm, ♀178-198mm; Wings 458-505 mm; Tail 300-330 mm; Metatarsal bone 60-70mm (Baker 1927).

Feeding habits: mainly feed on plant fruits, but also eat animal foods such as tree frogs, bats and lizards (Baker 1927).

Habit: 3-5 animals are often used as a small group. Barking is monotonous and hoarse, like a dog barking, and sometimes it can make a low disyllabic sound. It looks heavy when flying, and you can hear the sound of flapping your wings from a distance.

Breeding: Breeding period According to the research in India, you can see spawning from February to June. Nesting in trees, I especially like to choose to nest on clustered giant trees. Each nest lays 2-3 eggs, sometimes only 1 egg. Eggs are white, sometimes stained with yellow, smooth and spotless. According to the measurement of 24 eggs, the size of eggs is 49.5-72.5mm×38.0-47. 1mm, with an average of 62.0 mm× 43.2 mm.