Lizards develop new 'love language': Animal chemical signals shift after only four generations

Relocated in small groups to experimental islands, lizards rapidly and repeatedly developed new chemical signals for communicating with each other. Free from the risk of predators and intent to attract potential mates, male lizards produce a novel chemical calling card, according to new research from Washington University in St. Louis.

from Phys.org - latest science and technology news stories https://ift.tt/2XTMJPk