ざわし retweeted
🟣これは変異個体である『ルリフチキールカナヘビ』の幻想的な姿を捉えた映像
本種である『グリーンキールカナヘビ』は本来、鮮烈な明るい緑色の体色が特徴の木棲トカゲであるが、遺伝的な突然変異により黄色が抜け、下地の美しい青色のみが発色することで、まるで宝石の『ティファニーブルー』のような超激レアなカラーリングとなっている
トカゲが舌を『ペロペロ』と出し入れしているのは、周辺の匂い(化学物質)を嗅ぎ取って状況を把握するためで、空気中や物に付着している匂いの粒子を舌の先でキャッチし、口の天井にある『ヤコブソン器官』に運ぶことで匂いを分析している
舌をペロペロさせることで、『周りに危険はないか』『食べ物(獲物)の匂いはしないか』『仲間や異性が近くにいないか』など、周囲の安全や環境の情報を素早く集めて確認しているのである
source by nigablackballsack
#雑学 ⠀#フォローしてくれた嬉しいです
ざわし retweeted
University debate: "There is no such thing as a vegan animal."
Vegan: "Of course there is. Cows, sheep, deer, elephants, gorillas. Most of the animal kingdom eats plants and does perfectly well."
Anthropologist: "Name one that would turn meat down."
Vegan: "A cow."
Anthropologist: "Cows eat the afterbirth. Deer eat songbird chicks out of the nest. Hippos have been filmed eating other hippos. Nobody told them."
Vegan: "Those are exceptions."
Anthropologist: "Sheep eat the heads off ground-nesting birds and keep walking. Horses eat baby chicks. Give a squirrel a nest of eggs and watch what it does with the nest."
Vegan: "Gorillas, then. Almost entirely plants."
Anthropologist: "Plus about 25 grams of insects a day, which is a plateful of ants, and they'll pull apart a termite mound with real enthusiasm. There is no true vegan. There is only an animal with limited access to meat."
Vegan: "It's a dietary category, not a moral one."
Anthropologist: "Then let's do the moral one. A cow drinks from a trough. Count what's living in it."
Vegan: "Insects don't count."
Anthropologist: "Says the only species on earth that has ever thought about it. Every blade of grass she eats comes with aphids, beetles, snails and larvae, and she chews the lot without a flicker. Her rumen is a vat of bacteria she kills by the trillion to extract the protein. The 'plant-based' cow is a bioreactor that eats its own staff."
Vegan: "So what? Animals can't choose."
Anthropologist: "That's my motion. Nothing alive has ever been vegan. Not the cow, not the gorilla, not the butterfly drinking from a carcass. The idea has never once appeared in nature, and you've built a philosophy on it being the natural state."
Vegan: "Humans can choose."
Anthropologist: "You can. And every choice you've made had a tablet in it. Four billion years of life on earth and the first vegan appeared in 1944 with a vitamin deficiency and a leaflet."
Moderator: "Time."
Vegan: "Deer eat birds?"
Anthropologist: "Look up the footage. Bring a cushion."

















