(of an organism or tissue) living in the absence of air or free oxygen. pertaining to or caused by the absence of oxygen.
Parakeets can breed year round if conditions are right in their environment. Normal breeding season begins early in the year and continues until fall. It is very rare to see parakeets mating, but a male and a female must mate to keep the eggs fertile.
Breeding & Babies. Breeding & Mating. Chinchillas become sexually mature when they are around eight months old. They mate seasonally based upon the light cycle. In the northern hemisphere, mating season takes place from about November until May.reeding & Babies. Breeding & Mating. Chinchillas become sexually mature when they are around eight months old. They mate seasonally based upon the light cycle. In the northern hemisphere, mating season takes place from about November until May.