Mammal species with published estimates of worldwide population about 1000 animals* or less (animals are listed in the order of their population estimates, with the rarest listed first).
..Baiji
(Yangtze River Dolphin) - ...only a
few tens of individuals... (Reeves et al. 2000)
..Vancouver
Island Marmot - ...at least
24... (Bryant 2002)
..Seychelles
Sheath-tailed Bat - ...fewer than
50 individuals... (IUCN cited in Nowak 1999)
..Javan
Rhino - ...fewer than 60... (Intl.
Rhino Found. 2002)
..Northern
Hairy-nosed Wombat - ...65... (Northern
Hairy-nosed Wombat Rec. Team 1998)
..Hispid
Hare (Assam Rabbit) - ...110... (Kavitha
2001)
..Tamaraw
(Dwarf Water Buffalo) - ...thought
to be about 30 - 200... (IUCN 2000)
..Dwarf
Blue Sheep - ...approximately
200... (Wang et al. 2000)
..Tonkin
Snub-nosed Monkey - ...about 200...
(Cons. Intl. 2000)
..Yellow-tailed
Woolly Monkey - ...fewer than
250... (IUCN 2000)
..Kouprey
(Cambodian Forest Ox) -
...generally assumed to be less than 250 (IUCN 2002)
..Malabar
Large Spotted Civet - ...fewer than
250 mature individuals are thought to survive... (Nowak 1999)
..Sumatran
Rhino - ...fewer than 300... (Intl.
Rhino Found. 2002)
..Visayan
Spotted Deer - ...a few hundred... (Heaney
and Regalado 1998)
..Saola
(Vu Quang Ox) - ...estimated at
several hundred... (WCMC/WWF 1997)
..Hirola
(Hunter's Hartebeest) - ...by 1995
numbers were down to 300... (Kingdon 1997)
..African
Wild Ass - ...possibly only a few
hundred animals... (WCMC/WWF 1997)
..Addax
- ...may not exceed a few hundred individuals... (Mallon
& Kingswood 2001)
..Black-faced
Lion Tamarin - ...as few as 400... (Ballou
& van Roode 2002)
..Vaquita
- ...about 500... (Focus 2002a)
..Arabian
Oryx -
...approximately 500 animals in the wild... (re-introduced) (AZA
1998)
..Ethiopian
Wolf - ...about 500 adults... (Haydon
et al. 2002)
..Mediterranean
Monk Seal - ...only 600 monk seals
survive in the Mediterranean... (Oryx 1999)
..Iberian
Lynx - ...less than 600... (IUCN
2002)
..Hairy-eared
Dwarf Lemur - ...estimated to number between 100-1000... (IUCN
2002)
..Riverine
Rabbit - ...the actual population
is probably well below 1000 animals.... (Stuart & Stuart 1996)
..Muriqui
(Woolly Spider Monkey) -
...700 - 1000... (Emmons & Feer 1997)
..Indus
River Dolphin - ...the total
population is probably fewer than 1000 individuals... (Reeves &
Chaudhry1998)
..Giant
Panda - ...about 1000... (Starbridge
2000)
..Golden
Lion Tamarin - ...about 1000... (Ballou
& van Roode 2002)
..Golden
Bamboo Lemur - ...about 1000
individuals... (IUCN 2002)
..Golden-rumped
Lion Tamarin - ...1000... (Ballou
& van Roode 2002)
..Greater
Bamboo Lemur - ...1000
individuals... (IUCN 2002)
By: Paul Massicot
Information provided by: http://www.animalinfo.org