Ring species -- the abridged version





The interactive transcript could not be loaded.



Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jun 5, 2011

Several people asked me to make a video on ring species alone, suitable for viewing by their creationist friends. So here it is.

I've used the example of the greenish warbler, after someone pointed out that the ensatina is not the best example of a ring species. Hybrids of the two end-species in the ensatina ring exist in two locations, whereas there are no hybrids from the two end-species descended from the greenish warbler.

The gap you will see in the orange-colored area covering the obscuratus on the map of Asia (at around 3:00 mins) is caused by human habitation which has eliminated the obscuratus from that particular area.


"Speciation in the round"
David B. Wake, Nature, 18 Jan 2001

"Phylogeographic breaks without geographic barriers to gene flow"
Darren E. Irwin, Evolution, 2002

"Ring species as bridges between microevolution and speciation"
D .Irwin et al, Genetica, 2001


When autoplay is enabled, a suggested video will automatically play next.

Up next

to add this to Watch Later

Add to

Loading playlists...