Nocturnal Activity Patterns of Lactating Silver-Haired Bats (Lasionycteris noctivagans): the Influence of Roost-Switching Behavior von Vonhof, Maarten J, Betts, Burr J

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Thermoregulatory Mechanisms Used in a Maternity Colony Of Townsend's Big-Eared Bats in Northeastern Oregon von Betts, Burr J.

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Activity Budgets of Townsend's Big-Eared Bats at a Maternity Colony in Northeastern Oregon von Betts, Burr J.

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The Effect of A Fuels-Reduction Silviculture Treatment on Bat Activity in Northeastern Oregon von Betts, Burr J.

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Roosts Used by Maternity Colonies of Silver-Haired Bats in Northeastern Oregon von Betts, Burr J.

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Effects of Interindividual Variation in Echolocation Calls on Identification of Big Brown and Silver-Haired Bats von Betts, Burr J.

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Microclimate in Hell's Canyon Mines Used by Maternity Colonies of Myotis yumanensis von Betts, Burr J.

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Current Status of Washington Ground Squirrels in Oregon and Washington von Betts, Burr J.

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Variation in Roost Fidelity among Reproductive Female Silver-Haired Bats in Northeastern Oregon von Betts, Burr J.

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Geographic Distribution and Habitat Preferences of Washington Ground Squirrels (Spermophilus washingtoni) von Betts, Burr J.

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Behaviour in a population of Columbian ground squirrels, Spermophilus columbianus columbianus von Betts, Burr J.

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Time Budgets and the Adaptiveness of Polyandry in Northern Jacanas von Betts, Burr J, Jenni, Donald A

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Spatial Behavior as a Predictor of Infanticidal Individuals in Columbian Ground Squirrels von Betts, Burr J.

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A Possible Hybrid Wattled Jaçana × Northern Jaçana in Costa Rica von Betts, Burr J.

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Sex differences in nest construction, incubation, and parental behaviour in the polyandrous American jaçana ( Jacana spinosa) von Jenni, Donald A., Betts, Burr J.

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The Relation of Hunting Site Changes to Hunting Success in Green Herons and Green Kingfishers von Betts, Burr J., Betts, Donna L.

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Time Budgets and the Adaptiveness of Polyandry in Northern Jacanas von Betts, Burr J., Jenni, Donald A.

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Competition for the Nectar of Centropogon valerii by the Hummingbird Colibri thalassinus and the Flower-Piercer Diglossa plumbea, and Its Evolutionary Implications von Colwell, Robert K., Betts, Burr J., Bunnell, Pille, Carpenter, F. Lynn, Feinsinger, Peter

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