His 1911 work “De Grijze Boom” (“The Gray Tree”) shows a series of black lines against a gray background, but the painting is nonetheless instantly recognizable as a tree, with its branch ...

Although soggy weather puts a damper on people, the frogs have flourished. One species in particular, the gray tree frog, has drawn lots of commentary. The gray tree frog is the largest of Ohio ...

Without realistic scaling, would this painting even be a tree? As if to prove the point, Mondrian made a subsequent painting the following year, also with a gray background, curved lines and the ...

It’s mounted low on a tree, pointing straight at a half-buried, four-inch black plastic drainage pipe. This unassuming hole in the forest floor also happens to be one of the den sites of a gray ...