- Written by IUCN Press IUCN Press
- Published: 09 July 2020 09 July 2020
Almost a third (31%) of all lemur species in Madagascar are now Critically Endangered – just one step away from extinction – with 98% of them threatened, according to today’s update of The IUCN Red List of Threatened SpeciesTM. This update completes a revision of all African primate assessments, concluding that over half of all primate species in the rest of Africa are under threat. This update also reveals that the North Atlantic Right Whale and the European Hamster are now both Critically Endangered.
The IUCN Red List has today surpassed 120,000 species, with 120,372 species now assessed. Of these, 32,441 are threatened with extinction.
“This IUCN Red List update exposes the true scale of threats faced by primates across Africa. It also shows that Homo sapiens needs to drastically change its relationship to other primates, and to nature as a whole,” said Dr Grethel Aguilar, IUCN Acting Director General. “At the heart of this crisis is a dire need for alternative, sustainable livelihoods to replace the current reliance on deforestation and unsustainable use of wildlife. These findings really bring home the urgent need for an ambitious post-2020 biodiversity framework that drives effective conservation action.”
“The dramatic declines of species such as the North Atlantic Right Whale included in today’s IUCN Red List update highlight the gravity of the extinction crisis,” said Dr Jane Smart, Global Director of the IUCN Biodiversity Conservation Group. “Saving the fast-growing number of threatened species from extinction requires transformational change, supported by action to implement national and international agreements. The world needs to act fast to halt species’ population declines and prevent human-driven extinctions, with an ambitious post-2020 biodiversity framework which the upcoming IUCN Congress will help define.”
Almost a third of lemur species on the brink of extinction
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Today’s update shows that 33 lemur species are Critically Endangered, with 103 of the 107 surviving species threatened with extinction, mainly due to deforestation and hunting in Madagascar. Thirteen lemur species have been pushed to higher threat categories as a result of intensifying human pressures. Among those newly listed as Critically Endangered are Verreaux’s Sifaka (Propithecus verreauxi) and Madame Berthe's Mouse Lemur (Microcebus berthae), the smallest primate in the world, both of which were previously listed as Endangered. These species are undergoing substantial declines as their forest habitats continue to be destroyed through slash and burn agriculture, as well as by logging for charcoal and fuel wood. Hunting further threatens Verreaux’s Sifaka, despite being illegal and regarded as taboo or ‘fady’ in many parts of its range.
Elsewhere in Africa, an estimated 53% of primate species (54 of 103) are now under threat of extinction. This includes all 17 species of Red Colobus, making it the continent’s most threatened genus of monkeys. Among the primates changing to a higher threat status today is the King Colobus (Colobus polykomos), a monkey living on Africa’s west coast, which has gone from Vulnerable to Endangered. Hunting for bushmeat – much of it illegal – and habitat loss continue to pose the most urgent threats to primates across the continent.
“Thanks to a very successful IUCN Lemur Conservation Strategy developed by our IUCN SSC Primate Specialist Group, we were able to raise over 7.5 million USD for the IUCN Save Our Species Lemur Initiative. With those funds, local organisations now work relentlessly to further ecotourism, to create new community-based protected areas, and to patrol, re-forest, and raise awareness in schools and local communities on the need to protect lemurs, Madagascar’s treasure. Although the situation remains very serious for the majority of lemur species, it is fair to say that some, such as the severely depleted Northern Sportive Lemur (Lepilemur septentrionalis), might already be extinct had it not been for this investment,” said Russ Mittermeier, Chair of the IUCN Species Survival Commission Primate Specialist Group.
North Atlantic Right Whale one step from extinction
The North Atlantic Right Whale (Eubalaena glacialis) has been moved from Endangered to Critically Endangered on the IUCN Red List. Fewer than 250 mature individuals were estimated to be alive at the end of 2018, the total population having declined by approximately 15% since 2011. This decline is being driven by a combination of increased mortality due to entanglement in fishing gear and vessel strikes, and a lower reproduction rate compared to previous years. Of 30 confirmed human-caused deaths or serious injuries of North
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Atlantic Right Whales between 2012 and 2016, 26 were due to entanglement.
Climate change appears to be exacerbating the threats to North Atlantic Right Whales. Warmer sea temperatures have likely pushed their main prey species further north during summer, into the Gulf of St. Lawrence, where the whales are more exposed to accidental encounters with ships and also at high risk of entanglement in crab-pot ropes.
European Hamster now Critically Endangered
European hamster Cricetus cricetus - Mathilde Tissier (IPHC – LIFE Alister)
The European Hamster (Cricetus cricetus), once abundant across Europe and Russia, has suffered severe populations declines across its entire range and is now listed as Critically Endangered on the IUCN Red List. Research has shown that the population declines are likely due to lowered reproduction rates. While a female hamster had an average of over 20 offspring a year during most of the 20th century, females today have been found to give birth to only 5 to 6 pups annually. The reasons for the reduced reproduction rates are not yet fully understood, but the expansion of monoculture plantations, industrial development, global warming and light pollution are being investigated as possible causes.
As a result, the rodent has vanished from three-quarters of its original habitat in the French region of Alsace, from at least a third of its range in Germany, and from more than 75% of its range in Eastern Europe. If nothing changes, the species is expected to go extinct within the next 30 years.
World’s most expensive fungus threatened
The world’s most expensive fungus, Caterpillar Fungus (Ophiocordyceps sinensis), has entered the IUCN Red List as Vulnerable. This fungus is highly valued in Traditional Chinese Medicine, where it has been used for over 2,000 years to treat many diseases including those related to the kidneys and lungs. Demand for the fungus has risen sharply since the 1990s.
Caterpillar Fungus, which only grows on the Tibetan Plateau, parasitises the larvae of ghost moths while they are buried underground. It then grows through their bodies and emerges through the larvae’s heads to the surface, where it is harvested.
In the last two decades, the fungus has become the main source of livelihoods for thousands of people where it occurs. Caterpillar Fungus’ populations have declined by at least 30% over the past 15 years as a result of over-harvesting.
The IUCN Red List
Global figures for the 2020-2 IUCN Red List of Threatened Species:
TOTAL SPECIES ASSESSED = 120,372
(Total threatened species = 32,441)
Extinct = 882
Extinct in the Wild = 77
Critically Endangered = 6,811
Endangered = 11,732
Vulnerable = 13,898
Near Threatened = 7,211
Lower Risk/conservation dependent = 189 (this is an old category that is gradually being phased out of The IUCN Red List)
Least Concern = 62,033
Data Deficient = 17,539
The figures presented above are only for those species that have been assessed for The IUCN Red List to date. Although not all of the world’s species have been assessed, The IUCN Red List provides a useful snapshot of what is happening to species today and highlights the urgent need for conservation action. Relative percentages for threatened species cannot be provided for many taxonomic groups on The IUCN Red List because they have not been comprehensively assessed. For many of these groups, assessment efforts have focused on threatened species; therefore, the percentage of threatened species for these groups would be heavily biased.