Difference Between Breed and Species


Main Difference

The main difference between Breed and Species is that a Breed refers to a stock of animals within a particular species with distinctive characteristics, which is produced by selective breeding, whereas a species refers to a group of living organisms, which consists of similar characteristics and breed to produce a fertile offspring.

Breed vs. Species

The breed is typically made up of domestic animals; on the other hand, species are made up of animals ‘plants and microorganisms too.

Breeds are different varieties of domestic animals of the same species. For example, German Shepherd and Rottweiler are different breeds, but the same species – dogs. A species is usually defined as a group of animals that can breed or reproduce productive offspring. Within a species, you have subspecies, which are variations in the animals based on location. For example, a Siberian tiger and a Bengal tiger are the same species – they are both tigers


Breeds are smaller in size than those organisms which are belonged to species; on the contrast, species may contain different types of breed organisms. The breed is also known as an artificially certain or selected animal group. Species is called a naturally selected organism.

All individuals of the breed having a low variation; on the other side, organisms of species group having a high variation. Breed lack subdivisions, whereas some species having subdivisions. The breed is produced by selective genes, which is also known as gene flow; on the contrary, species always undergo into reproduction process by natural mating.

Breed-specific characteristics, also known as breed traits, are inherited, and purebred animals pass such traits from generation to generation, while species traits are defined as qualities of all organisms of a species, due to intraspecific variation different organisms of a species have different trait values, e.g., different body masses, but together they define a distribution, which is characteristic for each species.


Comparison Chart

Breeds are different types within a species, specific groups that have a homogenous (same) appearance.A species is often defined as an individual belonging to a group of organisms – or the entire group itself – that share common characteristics.
Made Up Of
Made up of domestic animalsMade up of animals, plants, or microorganisms.
Artificially selected groupNaturally selected group
Group Size
Smaller than a speciesContain several breeds
Lack subdivisionsPresent subdivision
Individual Variations
Comparatively lowHigh
Rottweiler and German Shepherd are examples of breedsFelis catus (cat), Apis mellifera (western honey bee), Panthera leo (lion), Escherichia coli, Eichhornia crassipes (common water hyacinth), are examples of different species.

What is a Breed?

A breed is a special group of animals that is produced artificially. It also mentions an animal’s stock contained by a specific species with individual physical characteristics, which is made by discerning breeding. It is made or produced by recognizing and an assortment of exceptional genes that increase growth, skill to consume their health and nutrients. By breeding animals, extremely productive farms of animal-like pigs, cows, sheep, poultry, and goats are produced.

Additional animals like horses, dogs, and cats as breeds are also produced. Each breed has a different and special behavior or activity when it is related to a subsequent breed of identical species. This shows that breeds are produced by taking or observing special types of gene isolation. The expected and natural organism’s adaptation to their surroundings may as well produce a distinct breed.

What is Species?

A species is a living organism collection or group that takes similar characteristics or features and can breed with each other to reproduce a productive offspring. The exchange of genes between the organisms of species is their major characteristic. This characteristic is also called gene flow. The gene flow always occurs among the same species, and it does not take place between dissimilar species.

Speciation states that the appearance of species that are new from the present species. It happens due to the behavioral, physical, and reproductive separation of dissimilar inhabitants of the identical species. A species is given a two-part name: The generic name and the specific name.

Key Differences

  1. A breed in which organisms have specific, selective’ and different characteristics; on the other side, species denote that type of organisms that be made up of similar or comparable characteristics or physical appearance and breed to make a fertile or productive offspring.
  2. A breed is created by choosy breeding; on the contrary, species undertakes natural or innate breeding.
  3. A breed is characteristically composed of domestic animals or livestock, whereas species can be composed of plants, animals, or microorganisms.
  4. Specific differences contained by a breed is rather small; on the other hand, specific differences contained by a species is great.
  5. A breed is an unnaturally or artificially animals particular group; on the converse, a species is a naturally selected group of organisms.
  6. Breeds lack subdivisions, while sub-item of species is the species division.


Both terms, Breed, and species are the two groups or collections of organisms that can be made by pair off. The breed is at all times an animal group with discriminating, and preferred features’ species is the essential unit of the classification of biological organisms. Species at all times go through into imitation method by natural pair off.

Janet White

Janet White is a writer and blogger for Difference Wiki since 2015. She has a master's degree in science and medical journalism from Boston University. Apart from work, she enjoys exercising, reading, and spending time with her friends and family. Connect with her on Twitter @Janet__White