For most plants and animals, just listing the family, genus or species is enough to let biologists know what the other levels should be. The most common way to list the taxonomic name of an organism is to list the genus and species; this is known as binomial nomenclature, meaning a two-name system.
The grey jay is a relatively large songbird, though smaller than other jays. A typical adult grey jay is between 25 to 33 cm (9.8 to 13.0 in) long. Its wingspan is around 45 cm (18 in). It weighs about 65 to 70 g (2.3 to 2.5 oz). Adults have medium grey back feathers with a lighter grey underside.
Most experts recommend getting as large a bird cage as you can afford. As a guideline, we recommend customer consider African Grey cages that are 36â wide, 24â deep, and 40â high. However this is not possible a minimum cage size for an African Grey cage is 34â wide, 24â deep, and 36â tall. Also important to the African Grey are bird toys and activities. Be sure you select a bird cage that has sufficient room to add many different toys, activities and perches.