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A talon is the claw of a bird of prey, its primary hunting tool. [6] The talons are very important; without them, most birds of prey would not be able to catch their food. Some birds also use claws for defensive purposes. Cassowaries use claws on their inner toe (digit I) for defence and have been known to disembowel people.
Cassowaries have three-toed feet with sharp claws. The inner (first) toe has a dagger-like claw that may be 125 mm (5 in) long. [18] This claw is particularly fearsome, since cassowaries sometimes kick humans and other animals with their powerful legs. Cassowaries can run at up to 50 km/h (30 mph) through the dense forest and can jump up to 1.5 ...
The difference between the unmodified and modified forms is evident when comparing the body wall of a caterpillar (unmodified) to a beetle (modified). From the embryonic stages, a layer of columnar or cuboidal epithelial cells gives rise to the external cuticle and an internal basement membrane.
In the Lycaenidae, the tarsus is unsegmented, as the tarsomeres are fused, and, tarsal claws are absent. The aroliar pad (a pad projecting between the tarsal claws of some insects) and pulvilli (singular: pulvillus, a pad or lobe beneath each tarsal claw) are reduced or absent in the Papilionidae. The tarsal claws are also absent in the ...
Centipedes, in addition to their mouthparts, possess a pair of "poison claws", or forcipules. These, like the maxillipeds of crustaceans, are modified legs and not true mouthparts. [ 2 ] The forcipules arise from the first body segment, curving forward and to the midline.
Glyptodon (lit. ' grooved or carved tooth '; from Ancient Greek γλυπτός (gluptós) 'sculptured' and ὀδοντ-, ὀδούς (odont-, odoús) 'tooth') [1] is a genus of glyptodont, an extinct group of large, herbivorous armadillos, that lived from the Pliocene, around 3.2 million years ago, [2] to the early Holocene, around 11,000 years ago, in South America.
There may be a deep groove between the talon cusp and the rest of the tooth. The extra cusp typically contains pulp tissue. [5] When viewing talon cusp from the occlusal, the projection will appear "x-shaped", as well as appears conical, and mimic the shape of an eagle's talon. [2] Symptoms of talon cusp include: Interference with occlusion [2 ...
The sentry would hold a stone in its claw, so that if it fell asleep, it would drop the stone and waken. A crane holding a stone in its claw is a well-known symbol in heraldry, and is known as a crane in its vigilance. Notably, however, the crest of Clan Cranstoun depicts a sleeping crane still in vigilance and holding the rock in its raised ...