"The huge, forward-projecting of the male is his chief sexual characteristic and white skin aournd the eye is a peculi…"

"... in the north are as wary as . They make a low pecking, the blows coming slowly, when excavating in rotting logs a…"

"When I began studying birds at age fourteen, I was fortunate in having 's Handbook of Birds of Eastern North America …"

"During my first year at Harvard, in 1928, I became fascinated with the university's Museum of Comparative Zoology. Ho…"

"We walked lonely es and s, and we delighted in and s, but we made no great lists. Books that I like at the time were …"

"The chapters of this book present a sampling from his lifetime of behavior watching, the s liberally salted with phil…"

"Scientific education is catholic; it embraces the whole field of human learning. No student can master all knowledge …"

"Honest investigation is but the application of common sense to the solution of the unknown. Science does not wait on …"

"Years of drought and famine come and years of flood and famine come, and the climate is not changed with dance, libat…"

"The verb is relatively of much greater importance in an Indian tongue than in a civilized language."