Four-horned antelope is also known as Chousingha (often spelled as Chausingha or Chowsingha). It is believed to have three subspecies viz. T. q. iodes, T. q. quadricornis, and T. q. subquadricornutus. 

This species is listed as Vulnerable in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/).

 

Also called as Wild Water Buffalo, Wild Asian Buffalo, Asiatic Buffalo. 

This species is listed as Endangered in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/).

 

There are a few taxonomic disputes due to existence of a 'domesticated' variety/species of the same. While B. mutus is widely recognized as Wild Yak and B. grunniens as Domestic Yak, some authors consider B. mutus as subspcies of B. grunniens which is likely to be errenous and lacks enough support for the claim. 

This species is listed as Vulnerable in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/)

 

This species is listed as Endangered in the IUCN Red List of Threatened Species (https://www.iucnredlist.org/).