Females can visit multiple singing grounds and males over the spring, decide who has the best display, and choose that male. Males can't choose; they can only be chosen.

For example, in the Fahrenheit scale 212°F is the boiling point of water.

There are three primary means of establishing dominance: the facedown, the gamecraft and the duel.

According to Yohro (1985, 1988), the vibrissa around the mouth is a sensory organ, receiving approximately 100 neurofibers and containing several sensory nerve ends. The neurofiber leading to the vibrissa is a dendrite which elongates from the nerve cell in the trigeminal ganglion toward the periphery.