Which behavior distinguishes some Old World vultures like the Rüppell's Vulture from obligate scavengers?
Answer
They function as opportunistic predators by killing weak or dying animals
While the vast majority of vulture species are categorized as scavengers, certain Old World species, such as the Rüppell's Vulture, demonstrate the capability to act as opportunistic predators. Unlike New World vultures, which are generally considered obligate scavengers that do not target healthy prey, these Old World birds can actively kill weak or dying animals. This behavior highlights the functional differences in their evolutionary histories and adaptability.
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