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Precociality and altriciality. Precocial species in birds and mammals are those in which the young are relatively mature and mobile from the moment of birth or hatching. They are normally nidifugous, meaning that they leave the nest shortly after birth or hatching. Altricial species are those in which the young are underdeveloped at the time of ...
Maternal behavior in vertebrates. Vertebrate maternal behavior is a form of parental care that is specifically given to young animals by their mother in order to ensure the survival of the young. [1] Parental care is a form of altruism, which means that the behaviors involved often require a sacrifice that could put their own survival at risk. [1]
Battle at Kruger. Battle at Kruger is an eight-minute amateur wildlife video that depicts a confrontation between a herd of Cape buffalo, a small group of young lions from a pride, and two crocodiles. [1] The video was shot in September 2004 at the Transport Dam watering hole in Kruger National Park, South Africa, during a safari guided by ...
The Fort Worth Zoo announced Thursday a remarkably rare birth of four gharial crocodiles, a critically endangered species that the zoo has tried to breed for more than a decade. This is only the ...
The spotted hyena (Crocuta crocuta), also known as the laughing hyena, [3] is a hyena species, currently classed as the sole extant member of the genus Crocuta, native to sub-Saharan Africa. It is listed as being of least concern by the IUCN due to its widespread range and large numbers estimated between 27,000 and 47,000 individuals. [1]
Parthenogenesis occurs naturally in some plants, algae, invertebrate animal species (including nematodes, some tardigrades, water fleas, some scorpions, aphids, some mites, some bees, some Phasmatodea, and parasitic wasps), and a few vertebrates (such as some fish, [6] amphibians, reptiles, [7] [8] [9] and birds [10] [11] [12]). This type of ...
Renowned British-born crocodile expert Adam Britton was sentenced Thursday to more than 10 years and five months in jail in Australia over dozens of cases of sexually abusing dogs.
Crocodiles (family Crocodylidae) or true crocodiles are large semiaquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.The term crocodile is sometimes used even more loosely to include all extant members of the order Crocodilia, which includes the alligators and caimans (family Alligatoridae), the gharial and false gharial (family Gavialidae) among ...