Otter females are called bitches or sows, and their offspring are called pups. The collective nouns for otters are bevy, family, lodge, romp (being descriptive of their often playful nature) or, when in water, raft. The feces of otters are typically identified by their distinctive aroma, the smell of which has been described as ranging from freshly mown hay to putrefied fish; these are known as spraints. The gestation period in otters is about 60 to 86 days. The newborn pup is cared for by the bitch, dog and older offspring. Bitch otters reach sexual maturity at approximately two years of
March Mammal Madness creating a fun and exciting atmosphere where people can learn about the animals they support. In 2017, the wildcard match was performed as a live-action movie to celebrate the 5th anniversary of the tournament. The wildcard match was also done with four mammal competitors instead of the usual two. Members of the March Mammal Madness team dressed up as the competing mammals and acted out the battle in front of a green screen. The battle was then edited together and the final video was tweeted out during the first day of the 2017 March Mammal Madness season. In 2018, brief