The red osier dogwoods in the garden are blooming beautifully.

I saw a group of red-eared turtles at the zoo.

I saw a flock of red-winged blackbirds flying across the field.

Red-black trees are a type of self-balancing binary search tree.

The red silky oaks in the park are in full bloom.

Red-backed hawks are commonly found in North America.

The red-necked grebes were swimming gracefully in the lake.

The red toad trilliums bloomed beautifully in the forest.

The red cotton trees in the park are in full bloom.

I saw a field full of red-veined docks.