Young great blue heron standing in a nest in the tules.

Great blue herons in a colony. Two birds just leaving.

A young great blue heron standing in its nest. Image note: near view.

Young great blue herons standing at a nest in the tules.

Young great blue herons in a colony. A few cormorants are intermixed.

Two young great blue herons in nest. Image note: not very good.

Young great blue herons in a colony. Image note: small size.

View of a pelican colony. Birds just alighting. Image note: small.

A mix of adult and young pelicans in a colony. One bird feeding. Image note: side view.

A mix of adult and young pelicans in a colony. One bird feeding. Image note: side view, not very good.