Arabian tahr : Endangered PIF Tower : 385m, Riyadh, Saudi Arabia

African penguin : Endangered Carlton Centre : 223m, Johannesburg, Republic of South Africa

Japanese sea lion : Extinct in the 1900s Yokohama Landmark Tower : 296m, Yokohama, Japan

Iberian lynx : Endangered Torre de Cristal : 249.5m, Madrid, Spain

Italian wolf : Vulnerable Torre Unicredit : 231m, Milan, Italy

European Mink : Critically Endangered MesseTurm : 257m, Frankfurt am Main, Germany The small and cute European mink with blackish-brown fur with a distinctive small band of white far around its lips is one of Europe’s most endangered mammals. The species once inhabited nearly all of Europe. In the mid-19th century onwards, the population of the European mink declined more than 85%, and the speci..

Great Auk : Extinct in 1852 Tour Montparnasse : 209m, Paris, France

Passenger Pigeon : Extinct in 1914 Burj Khalifa : 828m, Dubai, United Arab Emirates The passenger pigeon used to migrate between North America and Europe. Its name means “passing by”, and it was given such name due to its migratory nature. An extinct species of pigeon, the passenger pigeon was once the most numerous bird on earth. According to one record, the sky would darken for three days when..

Dodo : Extinct in 1662 Shanghai Tower : 632m, Shanghai, China The dodo is an extinct bird that was endemic to the island of Mauritius in the Indian Ocean. Having lived undisturbed for so long without predators on the small, isolated island of Mauritius, it became fat and lost its ability to fly. It lived and nested on the ground and ate fruits that fell from trees. During the breeding season, it..