交尾つるむ

godan verb (-mu), intransitive verb

copulate (animals); mate

Used specifically for animals mating. Not used for humans.

• 春はるになると、猫ねこが交尾つるむ声こえが聞きこえる。

  In spring, you can hear cats mating.

• 動どう物ぶつ園えんでパンダが交尾つるんだ