Rare Behavior Blog Series "Hunting" (4 of 6)
Автор: WILD DOLPHIN PROJECT
Загружено: 2022-11-22
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Rare Behavior Blog Series "Hunting" by Denise L. Herzing and Cassie L. Volker.
Read our blog to learn more about this rare behavior wilddolphinproject.org/hunting
"Another foraging strategy we have seen the spotted dolphins use during the day is going inverted under the surface to hunt needlefish. Dolphins have some of their best vision beneath their head because their visual field overlaps in this area (Dral, 1975). In the Bahamas, the spotted dolphins chase and hunt needlefish under the surface of the water by swimming in an inverted posture, presumably to get the best visual look at their prey. Initially, a dolphin swims right-side-up with their heads cocked slightly up and scanning, eventually turning inverted before catching a fish. Needlefish are silver colored and blend in very well with the water at the surface, so the dolphins need the best view possible to help them hunt the needlefish that are basically camouflaged against the surface.
In this video clip of the spotted dolphins hunting needlefish, if you look closely you will see the needlefish right under the surface."
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