Casque (anatomy) - Wikipedia
WEBA casque is an anatomical feature found in some species of birds, reptiles, and amphibians. In birds, it is an enlargement of the bones of the upper mandible or the skull, either on the front of the face, or the top of the head, or both.
Cassowary - Wikipedia
WEBThey are classified as ratites: flightless birds without a keel on their sternum bones. Cassowaries are native to the tropical forests of New Guinea (Western New Guinea and Papua New Guinea), The Moluccas (Seram and Aru Islands), and northeastern Australia. [7] Three cassowary species are extant.
Helmeted hornbill - Wikipedia
WEBThe helmeted hornbill (Rhinoplax vigil) is a very large bird in the hornbill family. It is found on the Malay Peninsula, Sumatra, Borneo, Thailand and Myanmar. The casque (helmetlike structure on the head) accounts for some 11% of its 3 kg weight.
Bird Crests, Casques, and Combs: Differences and Examples
WEBDec 22, 2023 · What Are Bird Casques? A casque, sometimes also called a helmet or horn, is a bony projection of the skull or upper mandible covered with a layer of cornified skin. In cassowaries (see below), the casque covers a foamy collagen layer over the bone.
The Casque - San Diego Zoo Wildlife Alliance Stories
WEBJul 24, 2024 · The casque, which starts to develop at one to two years of age, is made of tough, elastic, spongy material covered in keratin, like a tortoise shell or horse hoof. Some say the blade-shaped accessory serves as a streamlining shock absorber that protects the bird’s noggin as it bolts through the rain forest underbrush, while others say it ...
Understanding Bird Casques: Nature’s Remarkable Adaptation
WEBJul 18, 2024 · The casque is an enlargement of bones found on the upper beaks and/or heads of certain bird species, typically serving various functions, from display and communication to protection and foraging. Let’s explore the role and significance of the casque in these remarkable birds.
Rhinoceros Hornbill: Species in World Land Trust reserves
WEBThe Rhinoceros Hornbill has a prominent golden-yellow horn, called a casque, on the top of its beak. The casque is a hollow structure made up of keratin (the same material as human fingernails) and acts as a resonating chamber, amplifying the bird’s calls.
The Rhinoceros Hornbill: A Bird with a Unique Casque
WEBThe Rhinoceros Hornbill is a fascinating bird species that can be found in the mountain rainforests of Southeast Asia. Its most distinctive feature is its unique casque, a hollow horn that extends from its upper bill. This casque serves various purposes, such as attracting mates, amplifying calls, and providing support during feeding.
WCS Wild View: Casques with a Cause
WEBApr 28, 2022 · This hollow structure made of keratin that adorns the top of the bird’s bill can be used for a number of tactics that shape the bird’s biology. Casques can add strength to the bird’s bill and be used as a tool for digging in the dirt or chiseling into tree bark.
Wrinkled Hornbill - Phoenix Zoo
WEBThe flashy, helmet-like structure on top of the bills of many hornbill species is called a casque. The casque grows throughout the bird’s life and, despite its large appearance, is hollow and very light.