Halloween is a super fun holiday at CHCI – all the chimpanzees really love masks, so we call it MASK DAY and throw a fun party with dozens of masks and other Halloween themed enrichment and food puzzles. In the forage was breakfast fruit (pears, oranges, apples, and melon); sunflower seeds and pumpkin seeds; dried apricots, bananas, and apples; walnuts; almond milk; and some fruit leather. Yum! Here are some pictures from the day:

The Halloween party set up

Tatu got all the cups of almond milk

Dar scoping out where he should look for treats

Loulis foraging near a witch decoration

Tatu trick or treating

Tatu and Loulis in the foreground, Dar in the distance beneath the black culvert

Dar relaxing in the climbing structure after spending the morning foraging
Happy MASK DAY to everyone!
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About Debbie Metzler
Debbie began working with chimpanzees in 2005 at CHCI while she earned a bachelor's degree in psychology from Central Washington University. She continued on to earn a master's degree in primate behavior, and her thesis research focused on vocabulary growth in adult signing chimpanzees. She coordinates the volunteer end of CHCI's education program and outreach efforts. She also is working on an advocacy program to help put an end to the exploitation of other chimpanzees.