Left: the Tentacled Snake’s elongated ‘tentacles’ assist to
detect prey in murky water. Image by J. Lamarch.
Below: the Madagascar Leaf-nosed Snake is unique in ex-
hibiting sexual dimorphism in their exaggeratedly elongated
snouts. Image by Alex Telford. Source: Creative Commons https://
creativecommons.org/licenses/by-sa/3.0/deed.en