(1) Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), trade data for which can accessed here: https://trade.cites.org/
(2) According to this 2020 report by Four Paws, European authorities (including those outside the EU, such as Montenegro) reported 913 captive tigers in Europe in 2018/2019. The 850 figure is a result of subtracting the countries outside of the EU and UK from this total.
TRAFFIC is a leading non-governmental organisation working globally on trade in wild animals and plants in the context of both biodiversity conservation and sustainable development whose mission is to ensure that trade in wild plants and animals is not a threat to the conservation of nature. More information at www.traffic.org
WWF is one of the world’s largest and most respected independent conservation organisations, with over 5 million supporters and a global network active in over 100 countries. WWF’s mission is to stop the degradation of the earth’s natural environment and to build a future in which humans live in harmony with nature.