Record #:

25518

Author(s):

Carrell, Helen

Abstract:

Seventy-five percent of the more than 650 North American bird species migrate twice per year. With the help of radio transmitters, scientists know much more about these long journeys.

Source:

Wildlife in North Carolina (NoCar SK 431 W54x), Vol. 80 Issue 2, March/April 2016, p36-39, il, bibl

Subject(s):

Birds--Migration; Birds; Butterflies