{"id":117478,"date":"2026-08-19T15:03:15","date_gmt":"2026-08-19T15:03:15","guid":{"rendered":"https:\/\/www.europesays.com\/ch\/117478\/"},"modified":"2026-08-19T15:03:15","modified_gmt":"2026-08-19T15:03:15","slug":"these-new-zoo-residents-have-almost-no-thumbs-and-for-good-reason","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ch\/117478\/","title":{"rendered":"These new zoo residents have almost no thumbs\u2014and for good reason"},"content":{"rendered":"<p>Zurich Zoo<\/p>\n<p><img loading=\"lazy\" alt=\"The bear-nosed monkey is now a resident at the Zurich Zoo.\" width=\"1280\" height=\"720\" decoding=\"async\" data-nimg=\"1\" style=\"color:transparent\"   src=\"https:\/\/www.europesays.com\/ch\/wp-content\/uploads\/2026\/08\/555d24ed-9f49-4a96-8737-ee7080cc0f90.jpg\"\/><\/p>\n<p class=\"text-dark-gray text-small mt-2\">The bear-nosed monkey is now a resident at the Zurich Zoo.<\/p>\n<p class=\"text-gray text-smaller mt-1 [.ticker-entry_&amp;]:border-b [.ticker-entry_&amp;]:border-aluminum [.ticker-entry_&amp;]:pb-1\">Keystone<\/p>\n<p class=\"c-stacked-spacing a-paragraph a-paragraph--lead text-h4 leading-26 md:leading-28 text-navy p-4 pb-8 md:px-0 md:pt-8\" data-t-name=\"Paragraph\">A new species of monkey has been living at the Zurich Zoo since early August: the bear-stump monkey. These skilled climbers move gracefully through the treetops. To prevent them from getting caught on branches, they have only a stump of a thumb.<\/p>\n<p><img alt=\"Keystone-SDA\" loading=\"lazy\" width=\"40\" height=\"40\" decoding=\"async\" data-nimg=\"1\" class=\"h-full w-full rounded-full object-cover\" style=\"color:transparent\"  src=\"https:\/\/bluewin-prod-sc-images.imgix.net\/2026\/04\/07\/8f8bf2bc-2db8-4d30-a567-72697f869653.heif?w=96&amp;auto=format&amp;s=07db0ac73ee5d1f68cd7a05910f2bdf5\"\/><\/p>\n<p class=\"author-names text-navy text-small\">Keystone-SDA<\/p>\n<p><img alt=\"\" aria-hidden=\"true\" loading=\"lazy\" width=\"12\" height=\"12\" decoding=\"async\" data-nimg=\"1\" class=\"mr-1 h-3 w-3\" style=\"color:transparent\"  src=\"https:\/\/www.bluewin.ch\/_next\/static\/media\/021-clock.24ldz2iukf4_m.svg?w=32\"\/>Today at 10:41\u2022<img alt=\"\" aria-hidden=\"true\" loading=\"lazy\" width=\"12\" height=\"12\" decoding=\"async\" data-nimg=\"1\" class=\"mr-1 h-3 w-3\" style=\"color:transparent\"  src=\"https:\/\/www.bluewin.ch\/_next\/static\/media\/085-synchronise.2282m66wb_dy4.svg?w=32\"\/>Today at 14:31Here&#8217;s what it&#8217;s all aboutA pair of bear-nosed monkeys has been living at the Zurich Zoo since early August.These animals have virtually no thumbs, so they don&#8217;t get caught on branches when climbing quickly.Eventually, the critically endangered monkeys are to be moved to the new Ndoki Forest, where they will be part of the European conservation breeding program.Summary created with<a href=\"https:\/\/myai.swisscom.ch\/?utm_source=blue-summary\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"inline-flex\"><img alt=\"myAi\" loading=\"lazy\" width=\"71\" height=\"24\" decoding=\"async\" data-nimg=\"1\" class=\"inline-block\" style=\"color:transparent\"  src=\"https:\/\/www.bluewin.ch\/_next\/static\/media\/myAI_logo.1b_3-ttiu9aco.svg?w=256\"\/><\/a><\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">A new species of monkey has been living at the Zurich Zoo since early August: bear-tailed macaques. These skilled climbers move gracefully through the treetops. To prevent them from getting caught on branches, they have only a stub of a thumb.<\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">The pair of monkeys has recently moved into the Great Apes House, the Zurich Zoo announced on Wednesday. They will later move to the new \u201cNdoki Forest\u201d habitat, which will be home to the western lowland gorilla and other endangered species from West and Central Africa. This habitat will be built on 29,000 square meters in the lower part of the zoo and will feature trees up to 25 meters tall.<\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">This will delight the bear-tailed monkeys, as they are particularly skilled climbers. Their lives take place almost entirely in the upper tree canopies.<\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">And that&#8217;s exactly what nature has provided for: To prevent them from getting stuck while climbing, they have practically no thumb\u2014just a stump. However, they do have a tail nearly one meter long, which they use to help steer themselves.<\/p>\n<p>Energy Conservation<\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">However, bear-nosed monkeys spend only a small part of the day climbing. They spend about two-thirds of the day resting, sleeping, or sunbathing. This is because the animals have to conserve their energy\u2014due to digestion.<\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">Their stomachs function similarly to those of cows. These animals, which weigh up to 14 kilograms, are vegetarians and feed mainly on leaves. Although the monkeys are not ruminants, their food is also pre-digested. Since leaves contain a lot of cellulose, which mammals can hardly digest on their own, special bacteria in upstream fermentation chambers take over part of the work.<\/p>\n<p>Endangered species<\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">On the International Union for Conservation of Nature&#8217;s Red List of Threatened Species, bear-tailed macaques were still classified as &#8220;Endangered&#8221; in 2008. In 2020, their status was upgraded to &#8220;Critically Endangered.&#8221;<\/p>\n<p class=\"c-paragraph text-standard wrap-break-word text-dark-gray font-thesans w-full\">This species of monkey also reproduces slowly: a female gives birth to a young only about once every two years. With a current population of just 57 animals, the reserve population of these monkeys is relatively small, according to the zoo. The pair of monkeys is part of the European Endangered Species Program (EEP).<\/p>\n","protected":false},"excerpt":{"rendered":"Zurich Zoo The bear-nosed monkey is now a resident at the Zurich Zoo. Keystone A new species of&hellip;\n","protected":false},"author":2,"featured_media":117479,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[6],"tags":[51133,51],"class_list":["post-117478","post","type-post","status-publish","format-standard","has-post-thumbnail","category-zurich","tag-tierwelt","tag-zurich"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@ch\/117122787675278112","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/posts\/117478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/comments?post=117478"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/posts\/117478\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/media\/117479"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/media?parent=117478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/categories?post=117478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ch\/wp-json\/wp\/v2\/tags?post=117478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}