An emu eats food from a Halloween pumpkin in the zoo of Zagreb, Croatia, on Oct. 26, 2019. (Luka Stanzl/Pixsell via Xinhua)
Gibbons eat food from a Halloween pumpkin in the zoo of Zagreb, Croatia, on Oct. 26, 2019. (Luka Stanzl/Pixsell via Xinhua)
A hornbill eats food from a Halloween pumpkin in the zoo of Zagreb, Croatia, on Oct. 26, 2019. (Luka Stanzl/Pixsell via Xinhua)
A lemur eats food from a Halloween pumpkin in the zoo of Zagreb, Croatia, on Oct. 26, 2019. (Luka Stanzl/Pixsell via Xinhua)