Critically Endangered Z to A

Yangtze Finless Porpoise
Estimated Population: 1,000-1,800
Main Threat(s): Lack of Food Supply

Western Lowland Gorilla
Estimated Population: Unknown
Main Threat(s): Poaching, Disease

Vaquita
Estimated Population: less than 200
Main Threat(s): Bycatch

Sumatran Tiger
Estimated Population: less than 400
Main Threat(s): Habitat Loss, Illegal Wildlife Trade, Human-Wildlife Conflict

Sumatran Rhino
Estimated Population: Unknown
Main Threat(s): Habitat Loss, Illegal Wildlife Trade, Genetic Loss
Main Threat(s): Illegal Wildlife Trade

Sumatran Orangutan
Estimated Population: Around 7,300
Main Threat(s): Hunting, Habitat Loss

Sumatran Elephant
Estimated Population: 2,400-2,800
Main Threat(s): Poaching, Deforestation, Human-Elephant Conflict

South China Tiger
Estimated Population: Believed to be Extinct in The Wild
Main Threat(s): Hunting, Habitat Loss

Saola
Estimated Population: Unknown
Main Threat(s): Hunting, Habitat Loss

Mountain Gorilla
Estimated Population: 880
Main Threat(s): War, Habitat Loss, Disease, Charcoal Making, Poaching

Leatherback Turtle
Estimated Population: Unknown
Main Threat(s): Overharvesting, Illegal Trade, Fisheries Bycatch, Habitat Loss

Javan Rhino
Estimated Population: Around 35
Main Threat(s): Illegal Wildlife Trade, Reduced Genetic Diversity

Hawksbill Turtle
Estimated Population: Unknown
Main Threat(s): Illegal Wildlife Trade, Fisheries Bycatch

Cross River Gorilla
Estimated Population: 200-300
Main Threat(s): Hunting, Inbreeding

Black Rhino
Estimated Population: 4,848
Main Threat(s): Illegal Wildlife Trade, Habitat Loss

Amur Leopard
Estimated Population: Around 30
Main Threat(s): Illegal Wildlife Trade

 

All information on this post was is via https://worldwildlife.org/species/directory?direction=desc&sort=extinction_status