If membership in a species is characterized by the inability to breed with members of another species, how can there be “animal species known to have arisen from crossbreeding with other species?
Jeffry D. Mueller Eldersburg, Md.
Exceptions happen. Also, biologists argue about what defines a species.
—S. Milius
I suggest that the new species be named
Lycaeides lolita
, in honor of Vladimir Nabokov.
Joseph Singer Fairfax, Va.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.