Harry Santi, a docent at the Oakland Zoo, has been leading the zoo's Animal Amore tour every Valentine's Day for the past twelve years.

“How would you like to have husbands who have testicles that weigh 14 percent of their body weight?” asked Harry Santi to a handful of women at the Oakland Zoo on Friday.

He isn’t talking about any sort of terrifying medical anomaly here. Santi, 81, a docent at the Oakland Zoo, is referring to the tuberous bushcricket, a type of tiny katydid, and one of dozens of animals with unusual, peculiar, or fascinating sex lives that were highlighted at Oakland Zoo’s annual Animal Amore this Valentine’s Day.

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