Ring-tailed Lemurs sit on a measuring scale as keepers at London Zoo record animals' vital statistics at the annual weigh-in, in London, Tuesday, Aug. 19, 2025.

London Zoo held its annual weigh-in on August 19, with animals including giant Galapagos tortoises, Humboldt penguins, capybaras, lemurs, and tiny Darwin’s frogs being measured and weighed. The ...