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)

Wakodahatchee wetlands, Delray Beach, Florida, US. Equipped with sinewy necks and spear-like bills, great blue herons can lunge with fearsome speed to strike their aquatic prey. Adults will also employ rapid stabbing motions as one aspect of their complex courtship displays; they’re seemingly dangerous moves, but fitting to the intensity of mating season. (Photo by Melissa Rowell/Audubon Photography Awards)

Kevin Jay and Nigel Cox perform some light painting on the beach at Frinton-on-Sea in Essex, UK using colour changing LED light wands during a 25-second exposure on March 4, 2024. (Photo by Kevin Jay/Picture Exclusive)

Camels graze in front of a spacecraft tracking station ahead of the Soyuz MS-10 upcoming launch at the Baikonur Cosmodrome, Kazakhstan, October 9, 2018. (Photo by Shamil Zhumatov/Reuters)

Staff at a Scottish farm say they are “absolutely delighted” to have welcomed a baby alpaca into the world this morning, June 6, 2019. Mum, Nunavut, gave birth to the baby boy huacaya alpaca, which has not yet been named, weighing 9.6kg. Stuart Ramsay, the owner of Velvet Hall Alpacas, in Innerleithen, Scottish Borders said he was surprised when the baby was born an “unusual rose grey colour”. (Photo by South West News Service)

A seagull who turned bright orange after he plunged into a vat of chicken tikka masala in Beckford, England on June 9, 2016. The bird fell into a container of the food while trying to scavenge a piece of meat from a food factory bin in Wales. (Photo by Vale Wildlife Hospital/PA Wire)

Solo, a rare baby tapir, makes his debut at Chester zoo, UK on July 18, 2016. The Malayan tapir is an endangered species and Solo is the first ever calf born at the zoo. (Photo by Chester Zoo/Rex Features/Shutterstock)

Teacher Scott Miller recently helped his Amish neighbors with a barn raising. Along with lending a hand in the process, Miller set up his camera to photograph the event. From 7 a.m. until 5 p.m., Miller's camera snapped away as the community created their newest building from the ground up.