@WeCassandra It’s probably a function of sexual selection, given that only males have the oversized dorsal fins. Females may prefer to mate with males that have larger, more cumbersome appendages because it would likely reflect male fitness and quality as
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RT @RebeccaSear: Sex in Killer Whales: Behavior, Exogamy, and the Evolution of Sexual Strategies in the Ocean’s Apex Predator - "this speci…
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RT @RebeccaSear: Sex in Killer Whales: Behavior, Exogamy, and the Evolution of Sexual Strategies in the Ocean’s Apex Predator - "this speci…
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Sex in Killer Whales: Behavior, Exogamy, and the Evolution of Sexual Strategies in the Ocean’s Apex Predator - "this species probably has a polygynandrous mating system in which both males and females can breed with multiple partners" https://t.co/lu3zpePN