The ongoing extinction crises shows that zoos are needed – even for common species
I have written before about the importance of zoos and the role they have to play in the world for conservation and education. They are in particularly important for endangered species – many animals are critically endangered in the wild and may go extinct there soon but are going strong in zoos. Many others are already extinct in the wild and only survive because of populations kept going in captivity. Even those critical of zoos often recognise this role and that it is better to have species preserved somewhere than be lost for all time. However, even species that are common can come under severe threat very quickly or without people realising.
Take the ring-tailed lemur of Madagascar for example. This animal is almost ubiquitous in zoos and few do not keep groups of these pretty primates as they breed well in captivity and the public are fond of them. However, despite their high numbers in collections around the world, they are under severe threat in the wild. A recent survey suggested that a huge 95% of the wild populations have been lost since 2000. This is clearly catastrophic and also means that the remaining individuals are greatly at risk. One bad year or a new disease could wipe out those that are left, and small and fragmented populations will be vulnerable to inbreeding so even a single loss can be keenly felt.
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Source: Guardian Climate Change