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Donald Griffin (1915–2003) studied echolocation in bats, demonstrating that it was possible and that bats used this mechanism to detect and track prey, and to "see" and thus navigate through the world around them. [6] Ronald Lockley (1903–2000), among many studies of birds in over fifty books, pioneered the science of bird migration.
Tool-use behavior has most commonly been assessed in land-based animals, and is rarely seen in aquatic life. [6] This is not necessarily due to a lack of ability, but rather a lack of need. For example, even though dolphins have larger brains compared to primates and could thus be expected to engage in more tool-use foraging behavior, they have ...
This may be due to difference in the rewards gained by tool use: Gombe chimpanzees collect 760 ants/min compared to 180 ants/min for the Tai chimpanzees. [25] Some chimpanzees use tools to hunt large bees (Xylocopa sp.) which make nests in dead branches on the ground or in trees. To get to the grubs and the honey, the chimpanzee first tests for ...
Scientists trying to understand the hunting behaviors of bottlenose dolphins have come up with a unique solution: fit them with video cameras. Scientists trying to understand the hunting behaviors ...
A common bottlenose dolphin (Tursiops truncatus). A dolphin is an aquatic mammal in the clade Odontoceti (toothed whale).Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
Dolphins do not physically hold their infants but line up in an echelon position with infants swimming beside them. This position creates a change of water flow pattern from the infant which minimizes separation between the mother and infant, but also increases the mother's surface area and creates a drag for the swimmer.
A young volunteer holds up a data sheet during the Lowcountry Marine Mammal Network’s dolphin count event in 2022. The data-collection happens once a year and brings in hundreds of volunteers to ...
Scientists determined that bottlenose dolphins found close to the shore off South Carolina and much of the east coast are a different species than those living in deeper water, according to a ...
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