Whistling tree frog
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The whistling tree frog, or Verreaux's tree frog, is a species of frog found in Australia. It has been divided into two subspecies, the nominate Verreaux's tree frog and the Verreaux's alpine tree fro
Whistling Tree Frog 4431
R. v. alpina
Reinforcement is a process within speciation where natural selection increases the reproductive isolation between two populations of species by reducing the production of hybrids. Evidence for speciat
Whistling tree frog
…restricted range and has suffered significant declines in population; it is currently listed as endangered. The whistling tree frog is one of the classic examples of speciation by reinforcement. Future research into congener hybridisation and gene flow may find such occurring, and may find countervailing reinforcement mechanisms at work. R…
The southern brown tree frog, Litoria ewingi
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Echinometra viridis, one of several species in the genus that produce fertile hybrids
Drosophila fruit fly