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The scalloped hammerhead was the first shark species to be protected under the U.S. Endangered Species Act. [25] As of 2019, the scalloped hammerhead has been categorized as Critically Endangered by the IUCN Red List. [26] The IUCN cites overfishing as the main cause for the drop in population numbers. [26]
Most hammerhead shark species are too small to inflict serious damage to humans. [9] Man carrying a hammerhead shark along a street in Mogadishu, Somalia. The great and the scalloped hammerheads are listed on the World Conservation Union's 2008 Red List as endangered, whereas the smalleye hammerhead is listed as vulnerable.
IUCN Red List Status: Critically Endangered. The scalloped hammerhead is one of the bigger of the species. However, they are hard to misidentify because of the multiple notches on their flat ...
In 2010, the Convention on International Trade in Endangered Species rejected proposals from the United States and Palau that would have required countries to strictly regulate trade in several species of hammerhead, oceanic whitetip and dogfish sharks. The majority, but not the required two-thirds of voting delegates, approved the proposal.
The great hammerhead catch rate in Indian Ocean has declined 73% from 1978 to 2003, though whether these represent localized or widespread depletions is uncertain. The great hammerhead is critically endangered along the western coast of Africa, where stocks have collapsed, with an estimated 80% decline in the past 25 years.
The bonnethead (Sphyrna tiburo), also called a bonnet shark or shovelhead, [3] is a small member of the hammerhead shark genus Sphyrna, and part of the family Sphyrnidae.It is an abundant species in the littoral zone of the North Atlantic and the Gulf of Mexico, is the only shark species known to display sexual dimorphism in the morphology of the head, and is the only shark species known to be ...
The International Shark Attack File considers attacks on a living human in the shark's natural habitat, who did not bother the animal prior to being bitten, "unprovoked."
The world's 23 vulture species, including turkey vultures, black vultures and California condors (which are endangered) here in the U.S., have sharp vision to help them spot carrion from high above.