Comparison Experiments Science 
10,000 Birds
MAY 5, 2015
GISS—general impression, size, shape—is intuitive, the result of an unconscious cognitive process derived from experience in the field. I would be more apt to accept the science of BBI if the science of hemispheric brain functions was not subject to so much misconceptions and simplification.* I like Birding by Impression.
10,000 Birds
MARCH 14, 2022
After securing our passage, I patiently waited for this once-in-a-lifetime experience to a place we have never been and lacked any knowledge of, we were in for a complete surprise. These have been used by meteorologists, technicians, and researchers who spend about 13 months on the island at a time researching a variety of sciences.
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10,000 Birds
SEPTEMBER 1, 2015
This makes for an attractive looking book, but I do think that the page space could have been put to better use, maybe for a listing of the resources (organizations, field guides, citizen science websites) recommended throughout the book. This is their first title that is not a cook or crafts book, and I hope there will be more.
10,000 Birds
JULY 7, 2020
This is a delightful book, large (8-1/2 by 11 inches), filled with Sibley’s distinctive artwork and an organized potpourri of research-based stories about the science behind bird’s lives. copyright @2020 by David A llen Sibley. As Sibley tells us in the Preface, he originally intended to write a children’s book.
10,000 Birds
MAY 19, 2015
Similar comparisons can be made with other bird features such as how their hips work. Skeletal phenotypes from both types of experiments had premaxillae that clustered geometrically with ancestral fossil forms instead of beaked birds. Well, maybe a little better than that but not much.
10,000 Birds
JANUARY 5, 2016
These are extremely detailed, covering distribution, behavior, and plumage by age and gender (when relevant) and comparisons with other species in and external to the group. Mentorship is an essential part of the birding experience, and it needs to be encouraged. Just go to the boldfaced page number. Authors George L.
10,000 Birds
APRIL 4, 2023
.” They conclude that many non-vocalizing Empidonax flycatchers can be identified in the field, but only “when several field characters are used in combination–and after one has gained experience in looking at these characters on singing/calling and captive birds (i.e., known-identity).”**
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