Subspeciation in Pocket Gophers of Kansas, [KU. Vol. 1 No. 11]

audiobook

Subspeciation in Pocket Gophers of Kansas, [KU. Vol. 1 No. 11]

by Bernardo Villa Ramírez, E. Raymond (Eugene Raymond) Hall

EN·~41 minutes·8 chapters

Chapters

8 total
1

Subspeciation in Pocket Gophers of Kansas

12:10
2

ACCOUNTS OF SUBSPECIES

3:51
3

Geomys bursarius majusculus Swenk

8:07
4

Geomys bursarius jugossicularis Hooper

1:35
5

Geomys bursarius industrius, new subspecies

5:59
6

Geomys bursarius major Davis

6:17
7

Measurements of Adult Males of Geomys - (In millimeters)

1:50
8

Measurements of Adult Females of Geomys - (In millimeters)

2:01

Description

This work dives into the modest but fascinating world of Kansas’s pocket gophers, tracing where each kind lives and how they differ across the landscape. By mapping specimens from every corner of the state—except the southeast—the authors reveal a pattern of local abundance that hints at deeper taxonomic questions. The study asks whether the various named forms truly represent separate species or merely regional variants of a single lineage.

Drawing on a rich historical trail that starts with 19th‑century naturalists and moves through decades of shifting classifications, the researchers examined 335 specimens with meticulous care. They sorted animals by sex, age, and locality, then measured skull features and pelage to spot subtle changes. The resulting picture shows continuous intergradation between neighboring populations, supporting the view that these gophers belong to one species divided into subspecies rather than distinct species.

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Details

Language

en

Duration

~41 minutes (40K characters)

Publisher of text edition

Project Gutenberg

Credits

Produced by Chris Curnow, Joseph Cooper, Matthew Wheaton and the Online Distributed Proofreading Team at http://www.pgdp.net

Release date

2011-07-07

Rights

Public domain in the USA.

About the authors

Bernardo Villa Ramírez

Bernardo Villa Ramírez

b. 1911

A pioneering Mexican mammalogist, he helped build the study of mammals in Mexico through decades of research, teaching, and fieldwork. He became especially known for his work on bats and rodents, and for books that introduced generations of readers to Mexico’s wildlife.

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E. Raymond (Eugene Raymond) Hall

E. Raymond (Eugene Raymond) Hall

1902–1986

A leading American mammalogist, he helped shape the study of North American mammals through decades of research, teaching, and museum work. His best-known work, the two-volume The Mammals of North America, became a classic reference in the field.

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