Funko Predator Open Mouth

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Versatility: A call that can make multiple sounds means you won’t need to switch to a different call as often, making for less movement and noise that will give you away. Not only possums play possum. Cold-blooded reptiles such as hognose snakes flip belly-up and remain rigid, with mouth open and tongue hanging out. They often spew blood from their mouth and emit a vile-smelling secretion from anal glands. Birds do it. Bees do it. Even other types of bugs do it.

Not all Xenomorphs have Inner Jaws. Workers, an evolution or perhaps variation of the standard drone, have a long, pink tongue for secreting Hive resin. Bellwood, D.R; Wainwright, P.C; Fulton, C.J; Hoey, A.S (2005-10-12). "Functional versatility supports coral reef biodiversity". Proceedings of the Royal Society B: Biological Sciences. 273 (1582): 101–107. doi: 10.1098/rspb.2005.3276. ISSN 0962-8452. PMC 1560014. PMID 16519241.For his computer models, Lautenschlager assumed the angle between the upper and lower jaw was between 3 and 6 degrees. (For comparison, the right angle at each corner of a square is equal to 90 degrees.) According to the new computer analyses, T. rex could stretch its mouth open as much as 80 degrees (almost as wide as the corner of a square). But it would exert its largest bite force when the lower jaw was not extended quite so far — just 32 degrees. That’s a little less than halfway open, but it is still plenty wide enough to latch onto large prey. a b c d Lauder, George V. (May 1982). "Patterns of Evolution in the Feeding Mechanism of Actinopterygian Fishes". American Zoologist. 22 (2): 275–285. doi: 10.1093/icb/22.2.275. ISSN 0003-1569.

a b Gardiner, Jayne M.; Motta, Philip J. (28 January 2012). "Largemouth bass (micropterus salmoides) switch feeding modalities in response to sensory deprivation". Zoology (Jena, Germany). 115 (2): 78–83. doi: 10.1016/j.zool.2011.09.004. PMID 22285791. Lautenschlager used pictures and 3-D scans of well-preserved fossils to create computer models of the three dinos’ jaws. In particular, he was interested in the dozen or more areas where muscles or tendons attached to the skull and lower jaw. Predators are adapted and often highly specialized for hunting, with acute senses such as vision, hearing, or smell. Many predatory animals, both vertebrate and invertebrate, have sharp claws or jaws to grip, kill, and cut up their prey. Other adaptations include stealth and aggressive mimicry that improve hunting efficiency. Muller, M (1996). "A novel classification of planar four-bar linkages and its application to the mechanical analysis of animal systems". Phil. Trans. R. Soc. Lond. B. 351 (1340): 689–720. Bibcode: 1996RSPTB.351..689M. doi: 10.1098/rstb.1996.0065. PMID 8927640. Allosaurus fragilis A large predatory dinosaur that moved around on two legs. It lived in the later Jurassic Period, some 155 million years ago. With a body that spanned 7 to 10 meters (25 to 35 feet) long and likely moved faster than anything it preyed upon. In contrast to other predators in its environment, it had powerful arms with large-clawed hands.Jaine, FRA; Couturier, LIE; Weeks, SJ; Townsend, KA; Bennett, MB; Fiora, K; Richardson, AJ (2012). "When Giants Turn Up: Sighting Trends, Environmental Influences and Habitat Use of the Manta Ray Manta alfredi at a Coral Reef". PLOS ONE. 7 (10): e46170. Bibcode: 2012PLoSO...746170J. doi: 10.1371/journal.pone.0046170. PMC 3463571. PMID 23056255.