tree

Bifurcation

You see branching forms similar to this throughout nature — in trees, rivers, lightning, ice crystals — almost everywhere. Photo: Amy Scroggins, nature, plant, tree, winter, sky

You see branching forms similar to this throughout nature — in trees, rivers, lightning, ice crystals — almost everywhere.

(2/2) ... and this leopard frog. Photo: Christine Ader, nature, wildlife, frog, leopard frog, animal

On a warm Feb. 28, you could go out for a lunchtime walk and see this winter tree and hear spring peepers.