10 most difficult reptiles riddles A list of reptiles related questions that are most often answered incorrectly Animals quiz For what main reason do chameleons change color? As a social signal to othe chameleons. Color change in chameleons has various functions, depending on the species, but the most common is social signaling. Only few species, such as Smith's dwarf chameleon, also adjust their colors for camouflage. very hard 28% to match their surroundingsto match their surroundings62%as a social signal to othe chameleonsas a social signal to othe chameleons28%their skin change color when pressedtheir skin change color when pressed2%chameleons do not change colorchameleons do not change color6%Created by: globalquiz.org. Statistics based on 3807 answers in 4 languages »colors riddles » Where do the largest among all crocodilians (crocodiles, alligators, caimans, gharials) live?In Southeast Asia. The saltwater crocodile is the largest of all living reptiles, reaching up to 6.3 m and 1,360 kg. It may be found from Northern Australia to the eastern coast of India.very hard 29% in Southeast Asiain Southeast Asia29%in Floridain Florida17%in South Australiain South Australia24%in the Nilein the Nile28%Created by: Kasia. Statistics based on 4966 answers in 2 languages »carnivores riddles » Which turtles are the biggest?Leatherback. The leatherback sea turtle, the only extant member of the family Dermochelyidae, is the largest of all living turtles and is the fourth largest modern reptile behind three crocodilians. In the Caribbean, the mean size of adults was reported at 384 kg (850 lb) in weight. The largest ever found weighed 916 kilograms (2,020 lb).very hard 32% greengreen2%leatherbackleatherback32%aldabra giant tortoisealdabra giant tortoise16%galapagos tortoisegalapagos tortoise47%Created by: globalquiz.org. Statistics based on 5892 answers in 4 languages »sea animals riddles » Which sea turtles are the deepest divers?Leatherback turtles are one of the deepest diving marine animals. Individuals have been recorded diving to depths as great as 1,280 meters (4,200 ft). Such depths are unreachable for turtles with hard shells, as these would have been crushed by the pressure.very hard 39% hawksbillhawksbill17%leatherbackleatherback39%loggerheadloggerhead20%greengreen23%Created by: Jason Beagley. Statistics based on 8638 answers in 2 languages »zoology riddles » What animal is that?Crocodile. When the crocodile's mouth is closed, the large fourth tooth in the lower jaw fits into a constriction in the upper jaw. For hard-to-distinguish specimens, the protruding tooth is the most reliable feature to define a specieshard 42% alligatoralligator36%crocodilecrocodile42%caimancaiman15%gharialgharial5%Created by: Kasia. Statistics based on 9069 answers in 2 languages »predators riddles » If sleeping through winter is hibernation, what is sleeping through summer?Estivation is a state of animal dormancy, similar to hibernation, that is entered in response to high temperatures and arid conditions. Many air-breathing land snails commonly estivate during periods of heat. animals that aestivate include North American desert tortoises, crocodiles, salamanders, African lung fish and dwarf lemurs.hard 43% estivationestivation43%hypernationhypernation34%scavationscavation12%civerationciveration9%Created by: yoshchim. Statistics based on 3307 answers in 4 languages »animals riddles » Where do gharials live?In the Ganges River. The gharial (Gavialis gangeticus), also known as the gavial, and the fish-eating crocodile, is a crocodilian of the family Gavialidae, native to the northern part of the Indian Subcontinent. It is harmless to humans.hard 47% In the NileIn the Nile13%In the Ganges RiverIn the Ganges River47%In the AmazonIn the Amazon19%In the entire Central Africa (Congo and its tributaries)In the entire Central Africa (Congo and its tributaries)19%Created by: Paweł Kołodziejczyk. Statistics based on 8530 answers in 2 languages »biology riddles » Which reptiles roar?Crocodiles have vocal cords in the larynx and are the only reptiles able to produce guttural roars.hard 53% lizardslizards4%crocodilescrocodiles53%turtlesturtles7%nonenone34%Created by: globalquiz.org. Statistics based on 12032 answers in 2 languages »nature riddles » What it is an autotomy?Self amputation (e.g. of a tail). Autotomy (from the Greek auto- "self-" and tome "severing") or self amputation is the behaviour whereby an animal sheds or discards one or more of its own appendages, usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape. The lost body part may be regenerated later.hard 56% eating only one kind of spieces (e.g. the koala is eating leaves of the eucalyptus)eating only one kind of spieces (e.g. the koala is eating leaves of the eucalyptus)10%self amputation (e.g. of a tail)self amputation (e.g. of a tail)56%hunting of its own kindhunting of its own kind23%in-breeding (small gene pool)in-breeding (small gene pool)10%Created by: Paweł Kołodziejczyk. Statistics based on 9064 answers in 4 languages »human anatomy riddles » This is thorny devil, a lizard famous for its fearsome appearance. Where does it come from?Australia. The desert-dwelling thorny devil is harmless to all except ants. The animal also features a spiny "false head" on the back of its neck, presented to potential predators by dipping its real head. It may be found in the western Australia.hard 57% North AfricaNorth Africa20%South AfricaSouth Africa15%North AmericaNorth America6%AustraliaAustralia57%Created by: Monica Stiller. Statistics based on 12799 answers in 2 languages »animals of Australia riddles » Play animals quiz and see all the questions.