Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 394
concerning the birds thattravel after dark. By night as well as by day our ears can tell usmuch about the number of birds that are passingoverhead. Indeed, during nights when manybirds are flying, we can, from favorable places,such as high hilltops or cities in the birds high-way, hear their… … THE BIRDS IN THE MOON, AS SEEN THROUGHA TELESCOPE. that on the night of September 14, 1906, no lessthan 3800 bird-calls were heard from one place.The average was twelve calls for each minute,but at times so many calls were heard that it wasevident the air above was thronged with birds. Study the…
Children's literature
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