A brown bear waits for food at the zoo in Madrid, Spain on July 30, 2016. (Photo by Jorge Sanz/Pacific Press/SIPA Press/Rex Features/Shutterstock)

Deaf and hard of hearing people perform a Buddhist Guanyin Thousand Hand dance to mark Sunday's National Day for Helping the Disabled in Yunnan, Kunming province, China on May 19, 2018. (Photo by Wong Campion/Reuters)

Groundhog Club handler A.J. Dereume holds Punxsutawney Phil, the weather prognosticating groundhog, during the 138th celebration of Groundhog Day on Gobbler's Knob in Punxsutawney, Pa., Friday, February 2, 2024. Phil's handlers said that the groundhog has forecast an early spring. (Photo by Barry Reeger/AP Photo)

Global wildlife populations will decline by 67% by 2020 unless urgent action is taken to reduce human impact on species and ecosystems, warns the biennial Living Planet Index report from WWF (World Wide Fund for Nature) and ZSL (Zoological Society of London). From elephants to eels, here are some of the wildlife populations most affected by human activity. Here: The maned wolf is among the large mammals in the Brazilian Cerrado that are threatened by the increasing conversion of grasslands into farmland for grazing and growing crops. (Photo by Ben Cranke/Nature Picture Library/Alamy Stock Photo)

The Heavens opened as students from Wells Blue school year 13 pupils arrived at The Bishop's Palace in Wells, Somerset on June 30, 2022 for their end of year school prom. (Photo by Jason Bryant/Apex News)

A hot air balloon competition called “Grudziadzkie Zawody Balonowe” is held in Lisie Katy, central-northern Poland, 14 May 2021. The compe​tition is held for the eighteenth time. (Photo by Tytus Zmijewski/EPA/EFE)

An old car passes by while dark clouds are seen due to the tropical storm Idalia in Havana, on August 28, 2023. (Photo by Yamil Lage/AFP Photo)

American actress Caylee Cowan attends the OK! Magazine NYFW Party at PhD, Dream Downtown Hotel Rooftop on September 10, 2019 in New York City. (Photo by Stephen Lovekin/OK! Magazine/Rex Features/Shutterstock)