Provide information about the reproductive phase in various animals with examples.

(N/A) In natural habitats,birds lay eggs seasonally. However,birds in captivity (like in poultry farms) can be made to lay eggs throughout the year. In this case,laying eggs is not related to reproduction but is for commercial exploitation for human welfare.
Female placental mammals exhibit cyclic changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase. In non-primate mammals like cows,sheep,rats,deer,dogs,and tigers,such cyclic changes during reproduction are called the $Oestrus$ cycle.
In primates like monkeys,apes,and humans,it is called the $Menstrual$ cycle.
Many mammals,especially those living in natural,wild conditions,exhibit such cycles only during favourable seasons in their reproductive phase and are therefore called $Seasonal$ $breeders$.
Many other mammals are reproductively active throughout their reproductive phase and are hence called $Continuous$ $breeders$.