Bibliography and Index of the Sirenia and Desmostylia  

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"Colbert, Debborah E."

 
 
 Colbert, Debborah E.; Bauer, Gordon Bruce (detail)
   
1999
Basic husbandry training of two West Indian manatees (Trichechus manatus latirostris).
Soundings 24: 18-21.
 
 
 Colbert, Debborah E.; Fellner, Wendi; Bauer, Gordon Bruce; Manire, Charles A.; Rhinehart, Howard L. (detail)
   
2001
Husbandry and research training of two Florida manatees (Trichechus manatus latirostris).
Aquatic Mammals 27(1): 16-23.
 
 
 Bauer, Gordon Bruce; Colbert, Debborah E.; Gaspard, Joseph C., III; Littlefield, B.; Fellner, Wendi (detail)
   
2003
Underwater visual acuity of Florida manatees.
Intl. Jour. Comp. Psychol. 16: 130-142.
 
 
 Manire, Charles A.; Walsh, Catherine J.; Rhinehart, Howard L.; Colbert, Debborah E.; Noyes, David R.; Luer, Carl A. (detail)
   
2003
Alterations in blood and urine parameters in two Florida manatees (Trichechus manatus latirostris) from simulated conditions of release following rehabilitation.
Zoo Biology 22(2): 103-120.
 
 
 Mann, David A.; Colbert, Debborah E.; Gaspard, Joseph C., III; Casper, Brandon M.; Cook, Mandy L. H.; Reep, Roger Lyons; Bauer, Gordon Bruce (detail)
   
2005
Temporal resolution of the Florida manatee (Trichechus manatus latirostris) auditory system.
Jour. Comp. Physiol. A, Sensory, Neural & Behav. Physiol. 191(10): 903-908.
 
 
 Colbert, Debborah E.; Gaspard, Joseph C., III; Reep, Roger Lyons; Mann, David A.; Bauer, Gordon Bruce (detail)
   
2009
Four-choice sound localization abilities of two Florida manatees, Trichechus manatus latirostris.
Jour. Exper. Biol. 212(13): 2105-2112. DOI: 10.1242/jeb.089227.
 
 
 Bauer, Gordon B.; Gaspard, Joseph C., III; Colbert, Debborah E.; Leach , Jennifer B.; Stamper , Sarah A.; Mann, David; Reep, Roger Lyons (detail)
   
2012
Tactile discrimination of textures by Florida manatees (Trichechus manatus latirostris).
Mar. Mamm. Sci. 28(4): E456-E471. 4 figs. DOI: 10.1111/j.1748-7692.2012.00565.x Oct. 2012 (first published online June 13, 2012).
–ABSTRACT: Two male Florida manatees (Trichechus manatus latirostris) demonstrated sensitive tactile discrimination in a two-alternative forced choice task, using a modified staircase method. Stimuli were acrylic plates with vertical gratings of ridges and grooves. The standard stimulus, present on every trial, had 2 mm gratings and the comparison stimuli had wider gratings. The blindfolded subjects were trained to demonstrate discrimination by pressing the target with wider gratings. Discrimination thresholds (75% correct) for the subjects were 2.05 mm and 2.15 mm, corresponding to Weber fractions of 0.025 and 0.075, respectively. These results indicate thresholds on similar stimuli comparable to humans (index finger tasks) and better than harbor seals, Phoca vitulina, and the closely related Antillean manatee, Trichechus manatus manatus. Memory for the tactile task was quite stable for both subjects, over 2 yr in the case of one of the subjects. Video analysis of responses indicated that bristle-like hairs, perioral bristles, and skin on the oral disk were involved in the discrimination response.
Daryl P. Domning, Research Associate, Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, D.C. 20560, and Laboratory of Evolutionary Biology, Department of Anatomy, College of Medicine, Howard University, Washington, D.C. 20059.
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