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2009-05-18 11:25:00

Researchers have reported witnessing adult tucuxi dolphins trying to kill a newborn calf of their own species in what is known as the first record of these dolphins attempting infanticide, BBC News reported.While it is often noted in various mammal species, infanticide is rarely recorded among cetaceans, the group of animals that includes whales and dolphins.Experts say the behavior has only been reported two other times in bottlenose dolphins, yet now they believe it may be much more common...