The color-changing tap part evolved to adapt to environmental observation.

Biotechnology Channel News: When it comes to swallowing hard-shell worms, dwarf lizards, a broad and diverse species of dwarf lizards, have evolved an incredibly special part for this task: the head.
scientists have long wanted to know why these closely related South African lizards have such diverse heads: some wide, some tall, some with scales covered in their heads, and some with decorations on their jaws.
, they studied the diets of 14 of the 17 known chromatin species and compared them to the lizard's head type.
researchers have found that the size and shape of a chromoon's head are associated with their preference diet, the results of which were published recently in Functional Ecology.
, for example, forest lizards with higher heads mostly eat softer foods, including butterflies, dragonflies, and other reptiles.
and the cyanons, which have a crown-shaped wave shape on their heads, can bite harder, larger insects.
most plain lizards with no eye-catching crown-shaped ornaments on their heads tend to have wider mouths, which helps them swallow smaller but harder beetle-like bugs.
color-changing dragons that live in South Africa's Van Persia Plains are also smaller than their forest cousins, possibly because they get less food.
relatively rich forest deformation chromons may have been the ancestors of these species, which evolved with the degradation of forests in southern Africa.
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