Below is an article submitted by Connecticut's Beardsley Zoo:
Love is in the air throughout the month of February, including at Connecticut’s Beardsley Zoo. Courtship rituals here, like everywhere in the world, are wildly diverse. A male otter may bite the female’s nose to show he’s interested; swans engage in an elaborate dance, synchronizing their movements. Just like their human counterparts, there are animals that mate for life, like wolves, and some, like prairie dogs, whose entire mating season is only one hour long. What makes one species choose monogamy as the secret to survival, while others form a looser bond, coming together only to procreate?