Eric Hoberg of the U.S. Department of Agriculture will give a presentation at Northern Michigan University titled "Faunal Mixing and Ecological Collision: Consequences of a Wobbling Climate in a Warming World." His talk begins at 1 p.m. Friday, May 29, in Mead Auditorium in the West Science Building. It is free and open to the public.

Hoberg's visit is sponsored by the NMU biology department.