Within the preserve is a nesting site for the great blue heron.

The bird, when it came in sight, proved to be a great blue heron.

I saw two great blue herons, and watched one of them catch a fish.

Along most of the river it is common to see great blue herons.

I don't expect to see the great blue heron here again.

In the next instant Nicole was flying again, but this time as a great white heron.

On a given summer day, you might find both human fishermen and a great blue heron.

Now great blue herons that feed in the marsh fall dead out of the sky.

Two great blue herons took off from a stand of trees.

On one especially harrowing turn, we spot a great blue heron.