Beavers are well known as ecosystem engineers in North America. In Australia, lyrebirds play a big role in shaping their environment when they use their toes to dig in the ground for food. A single lyrebird can shift 11 dump truck loads of soil and leaves — each year! That’s thought to be more than any other digging animal. Lyrebirds are best known for their spot-on imitations of other birds’ songs and calls.

More info and transcript at BirdNote.org. 

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