Ferret
Monoestrous (continous estrus until bred
seasonal
induced ovulator
Zebrafish
nonseasonal
dawn stimulates mating
Goats
polyestrous
seasonal or nonseasonal by breed
Sheep
Polyestrous
seasonal or nonseasonal by breed
Swine
Polyestrous
nonseasonal
Dogs
Monoestrous (spring/fall)
Cat
Polyestrous
seasonal
induced ovulator
Rabbit
No distinct estrous cycle
induced ovulator
Guinea Pig
Polyestrous
Nonseasonal
Gerbil
Polyestrous
seasonal
Hamster
Polyestrous
seasonal
Rats
Polyestrous
Nonseasonal
Mice
Polyestrous
Nonseasonal