Under these drastically changing conditions, the struggle to survive favored the larger birds with deep, strong beaks for opening the hard seeds. Smaller finches with less-powerful beaks perished.

And we couldn’t help but laugh at the part in the video where he demonstrates the “machine” moving in a circular pattern. The SMD Beak is just a weight for holding down SMT parts as you hand ...

For example, the cactus finch has a long beak that reaches into blossoms, the ground finch has a short beak adapted for eating seeds buried under the soil, and the tree finch has a parrot-shaped ...