"Department of biology" Quotes from Famous Books
 ... hatched that year. Now if man be added as a new destructive agency, the old enemies, being still able to destroy as many as before, will soon sweep them out of existence. Warnings have been sent out by the United States Department of Biology that several species of birds are already close to extinction. We know that this is true of the passenger pigeon. This bird used to come North in flocks so extensive as sometimes to obscure the sun, like a large, thick cloud. Now they come no more. ...
— Bird Day; How to prepare for it • Charles Almanzo Babcock |
