Quellen:

test1: https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.geo.de%2Fplus%2Fgeo-wild%2Fmythen-ueber-schlangen--wie-gefaehrlich-und-nuetzlich-die-tiere-wirklich-sind-32845402.html&psig=AOvVaw3iL9xAClK2GEYRcixJnNTg&ust=1678012141060000&source=images&cd=vfe&ved=0CAwQjRxqFwoTCJCuxL6Iwv0CFQAAAAAdAAAAABAE

maul: https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.faz.net%2Faktuell%2Fwissen%2Fleben-gene%2Fwie-sich-die-giftkanaele-in-fangzaehnen-von-schlangen-entwickeln-17524604.html&psig=AOvVaw2wGCayMgpZwX3w8qUF-m-2&ust=1678014065409000&source=images&cd=vfe&ved=0CA0QjRxqFwoTCLCOz9aPwv0CFQAAAAAdAAAAABAE

schwarzerstreifen:https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.nationalgeographic.de%2Ftiere%2F2020%2F06%2Fauch-schlangen-brauchen-freunde&psig=AOvVaw1HbiPuXIICA0UX-dAveOV-&ust=1678014727559000&source=images&cd=vfe&ved=0CA0QjRxqFwoTCOjm56KSwv0CFQAAAAAdAAAAABAV

häuten:https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.zooplus.de%2Fmagazin%2Fterraristik%2Fterrarientiere-gesundheit-pflege%2Fhaeutung-von-schlangen-anzeichen-erkennen-probleme-vermeiden&psig=AOvVaw1HbiPuXIICA0UX-dAveOV-&ust=1678014727559000&source=images&cd=vfe&ved=0CA0QjRxqFwoTCOjm56KSwv0CFQAAAAAdAAAAABAi

wasserköpfchen: https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.zueritoday.ch%2Fzuerich%2Fkanton-zuerich%2Fes-gibt-zwei-arten-von-schlangen-im-kopf-und-in-der-natur-148212449&psig=AOvVaw1KJ9DxarEqpPTfNg9OeAGn&ust=1678017661437000&source=images&cd=vfe&ved=0CA0QjRxqFwoTCMDS64idwv0CFQAAAAAdAAAAABAD