. The Audubon annual bulletin. Birds; Birds. â Photo by G. P. Perry long that I thought it was not fer- The next time I visited the nest there were three nestlings, and I was unable to see any dif- ference in them in size. To get a picture of the birds feeding the young required sev- eral visits and much patience. I placed the camera on a tripod near the nest and focussed it on the nestlings, removing the slide, setting the shutter on 8 di- aphragm 1/25 second, and con- necting the release with a rub- ber bulb about fifty feet long. The ordinary camera bulb is not strong enough to release the


. The Audubon annual bulletin. Birds; Birds. â Photo by G. P. Perry long that I thought it was not fer- The next time I visited the nest there were three nestlings, and I was unable to see any dif- ference in them in size. To get a picture of the birds feeding the young required sev- eral visits and much patience. I placed the camera on a tripod near the nest and focussed it on the nestlings, removing the slide, setting the shutter on 8 di- aphragm 1/25 second, and con- necting the release with a rub- ber bulb about fifty feet long. The ordinary camera bulb is not strong enough to release the shutter. Then I went to a consid- erable distance and watched for photo by g. p. Perry the return of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois Audubon Society. [Chicago, Ill. ] : The Society


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Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, booksubjectbirds