Researchers listed species that tend to bond as monogamous couples, but many are still threatened with extinction, according to the International Union for the Conservation of Nature.
Researchers listed species that tend to bond as monogamous couples, but many are still threatened with extinction, according to the International Union for the Conservation of Nature. The list includes gibbons listed in the Red Data Book, geese, dholes (photo), marine angelfishes, and albatrosses.
The wolf, originally the most widespread mammal in the world, has disappeared from certain areas. In the 1980s, dholes that inhabited North America disappeared from the wild. In 1987, zoologists managed to return the animal to the wild. And now the wolves often mate with coyotes, threatening the former’s existence as separate species.
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© RIA Novosti . Larisa Saenko
Swans that symbolize ‘eternal’ love can remain loyal to their partner to the end of their lives. The birds are also under the threat of extinction.
According to the International Union for the Conservation of Nature, the Chinese goose population that inhabits Eastern Siberia, Northern China, and Mongolia is declining. The reasons include poaching, as well as declining swamp and river levels.
