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Colby College

Theses/Dissertations

Behavior

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Full-Text Articles in Life Sciences

African Savannah Elephant Group Size And Behavior In The Makgadikgadi Pans National Park, Botswana, Katherine S. King Jan 2019

African Savannah Elephant Group Size And Behavior In The Makgadikgadi Pans National Park, Botswana, Katherine S. King

Honors Theses

African savannah elephants (Loxodonta africana), the largest elephant species, influence the structure of the environment they inhabit. Elephants exhibit complex patterns of social behavior between individuals within a population. Many behavioral studies focus on interactions among individuals within a population rather than broader trends related to group size. My study seeks to understand how male African savannah elephant group size is influenced by seasonality, age, physical condition and distance to permanent water resources. I examined the interaction of these variables in two ways: (1) a literature review of elephant behavior and conservation, and (2) an analysis of male …


Movement Patterns And Feeding Behavior Of The Limpet Tectura Testudinalis (Müller) Along The Mid-Maine Coast, Joshua Lord Jan 2008

Movement Patterns And Feeding Behavior Of The Limpet Tectura Testudinalis (Müller) Along The Mid-Maine Coast, Joshua Lord

Honors Theses

Tectura testudinalis is a limpet that lives in the mid-intertidal zone along the coast of Maine and grazes on a variety of encrusting algae. A previous study asserted that T. testudinalis preferred to feed and rest on the encrusting alga Clathromorphum circumscriptum and that this species of limpet displayed homing behavior. However, I show that T. testudinalis does not home or return to any specific substrate while resting. Conclusive evidence was found for nocturnal movement. I show that C. circumscriptum was the preferred food source for this limpet, closely followed by Hildenbrandia rubra, another encrusting alga. Field and lab experiments …