Venomous frogs use toxic face spines as weapons | @GrrlScientist

It’s common knowledge that some frogs secrete toxins from special glands in their skin. But according to a paper published today in Current Biology, an international team of researchers report for the first time ever that two frog species are actually venomous. To be considered venomous, an animal must possess a toxin and must have some sort of mechanism, such as fangs, to deliver that toxin into

[tama_lion]

ブラジルにいる2種のカエルは鼻先に骨質の棘と毒腺をもち、敵に傷をつけて毒を注入できる。体の他の部分の皮膚にも毒があるので、定義上"poison"と"venom"をあわせ持つことに