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A captive juvenile king cobra in its defensive posture. The female is gravid for 50 to 59 days. [18] The king cobra is the only snake that builds a nest using dry leaf litter, starting from late March to late May. [42] Most nests are located at the base of trees, are up to 55 cm (22 in) high in the centre and 140 cm (55 in) wide at the base.
The most important factors in the difference of mortality rates among victims envenomated by cobras is the severity of the bite and which cobra species caused the envenomation. The Caspian cobra (N. oxiana) and the Philippine cobra (N. philippinensis) are the two cobra species with the most toxic venom based on LD 50 studies on mice.
The eastern coral snake or American cobra (Micrurus fulvius), which also does not rear upwards and produce a hood when threatened [4]: p.30 The false water cobra (Hydrodynastes gigas) is the only "cobra" species that is not a member of the Elapidae. It does not rear upwards, produces only a slight flattening of the neck when threatened, and is ...
The tiger shark is considered to be one of the most dangerous sharks to humans. [1] Although it is found in the Red Sea it is not usually seen near reefs during the daytime. The Grey reef shark is territorial and may be aggressive, and has been involved in non-fatal attacks on divers.
The majority of shark nets used are gillnets, which is a wall of netting that hangs in the water and captures the targeted sharks by entanglement. [6] The nets may be as much as 186 metres (610 ft) long, set at a depth of 6 metres (20 ft), have a mesh size of 500 millimetres (20 in) and are designed to catch sharks longer than 2 metres (6.6 ft) in length.
Scientists fixed tags equipped with cameras onto tiger sharks so that they could view the ocean floor from a new perspective. What they saw was astounding. How tiger sharks wearing cameras ...
Even though venomous snakes are very dangerous, they often times are not left injury free after a battle with a predator or larger animal. Being able to spit a toxin from afar dramatically decreases the chances of a spitting cobra getting injured in a squabble. The spitting cobra also has the ability to inject venom through a bite. [11]
The Drake Passage, between the southern tip of South America and Antarctic, is infamous as one of the most dangerous journeys on the planet. But why is it so rough – and how can you cross safely?