A Sumatran tiger walks past a height chart during the annual weigh-in in ZSL London Zoo in London, Britain, Aug. 25, 2022. Animals in the ZSL London Zoo were weighed and measured on Thursday. The statistics will be shared with zoos across the world.(Photo: Xinhua)
A keeper weighs a squirrel monkey during the annual weigh-in in ZSL London Zoo in London, Britain, Aug. 25, 2022. Animals in the ZSL London Zoo were weighed and measured on Thursday. The statistics will be shared with zoos across the world.(Photo: Xinhua)
A keeper weighs an owl during the annual weigh-in in ZSL London Zoo in London, Britain, Aug. 25, 2022. Animals in the ZSL London Zoo were weighed and measured on Thursday. The statistics will be shared with zoos across the world.(Photo: Xinhua)
A keeper weighs penguins during the annual weigh-in in ZSL London Zoo in London, Britain, Aug. 25, 2022. Animals in the ZSL London Zoo were weighed and measured on Thursday. The statistics will be shared with zoos across the world.(Photo: Xinhua)