Zoo keeper Jonathan Risbridgr encourages a Ring Tailed Lemur to stand on weighing scales at ZSL Whipsnade Zoo 2021 weigh-in and measurement, in Dunstable, Britain, August 24, 2021. (Photo/ Agencies)
A Slender-tailed Meerkat stands on weighing scales at ZSL Whipsnade Zoo 2021 weigh-in and measurement, in Dunstable, Britain, August 24, 2021. (Photo/ Agencies)
A zoo keeper measures a Postman Butterfly at ZSL Whipsnade Zoo 2021 weigh-in and measurement, in Dunstable, Britain, August 24, 2021. (Photo/ Agencies)
A zoo keeper encourages a Scarlet Macaw to stand on weighing scales at ZSL Whipsnade Zoo 2021 weigh-in and measurement, in Dunstable, Britain, August 24, 2021. (Photo/ Agencies)
A Reindeer stands on weighing scales at ZSL Whipsnade Zoo 2021 weigh-in and measurement, in Dunstable, Britain, August 24, 2021. (Photo/ Agencies)
