Most primates (including humans) have opposable thumbs, allowing them to easily grab things. Other animals, like dogs, don't have this adaptation. What can you pick up without using your thumbs? Check out the activity in the link to see what a difference having thumbs can make!
Want to check out more challenges?
Download Zigazoo:
Can you pick up any objects without using your thumbs?
Philadelphia Zoo
By connecting people with wildlife, we inspire action for animals and habitats.