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Many large opossums (Didelphini) are immune to the venom of rattlesnakes and pit vipers and regularly prey upon these snakes. [46] This adaptation seems to be unique to the Didelphini, as their closest relative, the brown four-eyed opossum, is not immune to snake venom. [47]
The immunity was initially thought to come from an immune response leading to the production of antibodies, but in fact it comes from toxin-neutralizing proteins found in opossum serum. [7] [8] These proteins are produced by the opossum prior to any encounter with a venomous snake, thus this immunity is not learned but inherited. [7]
The hedgehog (Erinaceidae), the mongoose (Herpestidae), the honey badger (Mellivora capensis) and the opossum are known to be immune to a dose of snake venom. [ citation needed ] Recently, the honey badger and domestic pig were found to have convergently evolved amino-acid replacements in their nicotinic acetylcholine receptor, which are known ...
Opossums don't look inviting but their benefits far outweigh their appearance, especially if there are dead trees in your woodlands. Opossums are nature's providers: Gentle marsupials don't get ...
The venom of the fer-de-lance is so potent that didelphine opossums (i.e., opossums like the Virginia opossum), which are normally immune to the venom of pit vipers and rattlesnakes, are still capable of succumbing to the venom of this snake. This is especially the case if the opossum is not fully grown (and thus the venom is more concentrated ...
As shocking as it would be to have a wild animal neighbor stop by for a visit, opossums (or possums) are known to be harmless to people. Although they bare their teeth when feeling threatened ...
Antivenom, also known as antivenin, venom antiserum, and antivenom immunoglobulin, is a specific treatment for envenomation. It is composed of antibodies and used to treat certain venomous bites and stings. [1] Antivenoms are recommended only if there is significant toxicity or a high risk of toxicity. [1]
Imagine stumbling out of bed and accidentally stepping on a snake. It’s the stuff of nightmares! Yet, it happens, especially in the warmer months.