White Leghorns are the most common breed of layer chickens.
Most dog breeds don't have two layers, or a double coat, of fur. 82 out of 180 breeds have a double coat of fur. According to exactly how many dogs, not dog breeds, have two layers of fur, I would not know.
there are many different types of chicken which vary from show breeds to just layers
All birds lay eggs. If you are looking for egg-layers that people raise for their eggs as food, that would include:Various breeds of chickensVarious breeds of duckQuailGuineasTurkeys
The best egg layers are the commercial breeds that are bred for egg production. White leghorns are the best white egg layers and golden comets are the best brown egg layers. You should get 6-7 eggs per week.
Certain breeds of chicken are bred for their egg laying capabilities. Other breeds are bred for their quick growth and good meat production. Dual purpose birds are reasonably good for both. Not all breeds are good egg layers. Poor egg laying breeds tend to lay less often and poorer quality eggs.
A good laying hen should be giving you an egg every day, or every other day. That is for LAYING breeds, though. Oriental breeds or heritage breeds lay much more sparraticly and much less often, because they are not bred for egg productivity.
It depends on the individual hen, and what breed that hen is. Not every hen will go broody in her lifetime. There are many breeds - such as egg layers - that have been breed to NOT be broody. So therefore, the chances of breeds like that going broody are slim to none. However, you have breeds like cochins and silkies that are very frequent brooders.
Wildlife that breeds on the Antarctic continent -- none live there, adapt with layers of fat and feather or skin features that protect their cores from the extreme cold.
If you are asking what some of the different breeds of chickens are out there, some egg layers are Rhode Island Reds, Isa Browns, Barred Rocks, Arucanas, among others. Some are meat and egg chickens. Guineas also lay eggs and you can eat them as well.
For many breeds the hen will lay her first egg at around the age range of 18-24 weeks depending on breed. Breeders work hard at reducing that range and earlier layers are much sought after. There are some breeds that do not lay their first egg until about 8 months like Araucana.
Different breeds of what?
There are around 180 breeds to 200 breeds of horses