The twins with their parents UK A MONKEY Mum was snapped looking hilariously put out by her offspring sticking its tail in her face while she attempted to eat an apple In other images captured at Hamerton Zoo Park in Cambridgeshire on July 8, other members of the marmoset family can be seen playing and blowing naughty raspberries at the camera. The common marmosets are small, long-tailed, tiny South American monkeys mostly found in the rainforests of the Amazon. They are tree-dwelling primates that move quickly and jerkily and they primarily eat insects, fruit, tree sap, and other small animals. These adorable images of the tiny monkey family were captured by Helen Black, a British wildlife photographer from Peterborough. “Marmosets are hard to spot, so it's like a game to spot them and get their pictures,” she told mediadrumworld.com. “They camouflage themselves very well within the flora, especially when the parents are carrying the babies. “Common Marmosets very often fall victim to the UK pet trade, where people see them as cute and interesting pets.