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This is a list of the deadliest animals to humans worldwide, measured by the number of humans killed per year. Different lists have varying criteria and definitions, so lists from different sources disagree and can be contentious.
The hooded pitohui.The neurotoxin homobatrachotoxin on the birds' skin and feathers causes numbness and tingling on contact.. The following is a list of poisonous animals, which are animals that passively deliver toxins (called poison) to their victims upon contact such as through inhalation, absorption through the skin, or after being ingested.
A zoonosis (/ z oʊ ˈ ɒ n ə s ɪ s, ˌ z oʊ ə ˈ n oʊ s ɪ s / ⓘ; [1] plural zoonoses) or zoonotic disease is an infectious disease of humans caused by a pathogen (an infectious agent, such as a bacterium, virus, parasite, or prion) that can jump from a non-human vertebrate to a human.
This list deals exclusively with venomous animals. Venoms have adapted to serve a wide variety of purposes. Their intended effects can range from mild fleeting discomfort to paralysis and death, and they may be highly selective in which species they target, often making them harmless to all but a few specific organisms; what may be fatal to one ...
This is a list of large carnivores known to prey on humans. The order Carnivora consists of numerous mammal species specialized in eating flesh. This list does not include animal attacks on humans by domesticated species (dogs), or animals held in zoos, aquaria, circuses, private homes or other non-natural settings.
First edition of Edward Bagnall Poulton's The Colours of Animals, 1890, introduced a set of new terms for animal coloration including "aposematic". Wallace coined the term "warning colours" in an article about animal coloration in 1877. [5] In 1890 Edward Bagnall Poulton renamed the concept aposematism in his book The Colours of Animals. [4]
Some animals can act as sentinels because they may be more susceptible or have greater exposure to a particular hazard than humans in the same environment. [1] People have long observed animals for signs of impending hazards or evidence of environmental threats. Plants and other living organisms have also been used for these purposes.
Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. [1] Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a substructure of the organism, such as a cell (cytotoxicity) or an organ such as the liver (hepatotoxicity).