
audiobook
by E. Raymond (Eugene Raymond) Hall, Keith R. Kelson
In this focused study the authors untangle a long‑standing mix‑up in the classification and range of two common North American cottontails. By revisiting historic museum collections and painstakingly cross‑checking catalogue numbers, they reveal where early 20th‑century notes led to misplaced subspecies labels, especially in Nebraska’s borderlands. The narrative walks listeners through the detective‑like process of sorting field cards from actual specimen tags, illustrating how a single transcription error can ripple through decades of scientific maps.
The paper then shifts to a side‑by‑side anatomical comparison of the Florida cottontail and the Audubon cottontail, highlighting subtle differences in skull shape, ear length, and foot dimensions. These details clarify whether the two forms truly intergrade along the eastern Rockies or remain distinct. Throughout, the authors blend historical context with fresh data, offering a clear view of how meticulous taxonomy underpins reliable wildlife distribution studies.
Language
en
Duration
~18 minutes (17K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Chris Curnow, Joseph Cooper, Greg Bergquist and the Online Distributed Proofreading Team at https://www.pgdp.net
Release date
May 19, 2009
Rights
Public domain in the USA.

1902–1986
Best known as an American mammalogist, he helped shape the study of North American mammals through decades of research, museum work, and teaching. His name appears on influential scientific writing that blended careful field observation with big-picture natural history.
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A careful mammalogist whose work helped map and classify North American mammals, he is best remembered as the co-author of a landmark reference in the field.
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by E. Raymond (Eugene Raymond) Hall