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Utahraptor was one of, if not the largest and heaviest of all dromaeosaurids, with the largest assigned specimen BYUVP 15465 having a femoral length of 56.5–60 cm (22.2–23.6 in). [8] [9] Utahraptor is estimated to have reached 6–7 metres (20–23 ft) in length and somewhat less than 500 kg (1,100 lb), comparable in weight to a polar bear.
English: A chart showing the approximate size of the dromaeosaurid Utahraptor compared to a human. Estimate of 7 meters is based on Kirkland et al. 1993. Date:
In 2001, multiple Utahraptor specimens ranging in age from fully grown adult to tiny three-foot-long baby were found at a site considered by some to be a quicksand predator trap. Some consider this as evidence of family hunting behaviour; however, the full sandstone block is yet to be opened and researchers are unsure as to whether or not the ...
This is disputable as many big-game hunting predators such as Smilodon, great white sharks and Allosaurus have weaker bite forces and often laterally weak skulls as adaptations towards, not away from, killing large prey, relying instead on the presence of a cutting edge, a wide gape made possible by the reduction of jaw musculature, and the ...
Ostrich eggs are the largest of any bird, averaging 1.4 kg (3.1 lb). [3] The largest wingspan of any extant bird is that of the wandering albatross (Diomedea exulans) of the Sub-Antarctic oceans. The largest dimensions found in this species are an approximate head-to-tail length of 1.44 m (4.7 ft) and a wingspan of 3.65 m (12.0 ft).
An animal shelter in Shelton, Washington is grappling with a devastating bird flu outbreak that killed 20 of its big cats last week, including a Bengal tiger.
The 20-foot-long (6.1 m) Utahraptor is commonly considered to be a close match to the film's dinosaurs, which are much larger than either Deinonychus or Velociraptor were in life. [ 82 ] [ 83 ] See also
In the video above, hikers at the Circle B Bar Reserve in Lakeland, Florida, marveled at the sight of this gigantic gator casually sauntering across the trail. Known to the locals as “The Big ...