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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Koford
200
Cynomys ludovicianus
August August 31/1955
Nr. Cache, Okla.
alcohol flat. Main food-over town was a flashy 3" plant, [illegible]
like, narrow leaves, rattling at tips. I did not eat any of this to
be eaten by C.l. Many mesquite seedlings a few inches
high. Tips & leaves of many seemed to have been nibbled, probably
by C.l. Now from 1' to 5' tall. C.l. eliminate? - perhaps eat in
winter, a eat seed. Other common foods: prostrate Euphorbia (aspid
or mammillata?), Oenothera (graecizans?) (especially munda.), Aban
dum portulacum (green; some in flower), Phytolacca, Crotan, Amar,
Heliotropium (huge, 1/2' across, on mts.), Phleum (pseudocarpi?), Oster
[illegible] (possibly called woody Euphorbia or [illegible]), nod [illegible]
(slopes species), much Hoffmannseggia Schottiana. Large patches
Bla 1/2" tall. Aristida occasionally; not large solid stands.
Many ants. No cattle present apparently (Sporobolus, etc., otherwise
would be grazed short). Some burrows on naked soil where heavily
water washed. Many C.l. seen (6+ /A?). New burrows in
nearly pure Sair 4" tall. Some abandoned mts., had much
Portulaca, Sair, Euphorbia on them. Many wounds at low mesquite
trees so soil round part bare, many holes alongside base
trunks. Many trees with 3' deep ditch around base 1/2 to 3/4 of the
way, evidently dug by C.l. (dropping?) (for food?). In pure Sair,
flow burrows, the grass shot. Apparently favor bare areas for
burrows as 8" in one bare spot had two spacing of 4 yds. only.
Many handsome symmetrical 4' tall crests. Out of mesquite, above
most burrows, they contained up on E. slope (possibly 10 %) where
much dead Linum, & Bla, Aristida, Asa, [illegible]. Vegetation
in state 30' outside peripheral burrows (Little no wounds);
4/10' farther out is 1 1/2' tall (this uplope side). Soil a