While Great Blue Herons do not mate for life, they have elaborate courtship rituals that help pairs form strong bonds within a breeding season.

The vast majority of pairs raise just one brood (a single clutch of eggs and the subsequent chicks) per year. In warmer climates, or if the first nesting attempt fails early, some pairs may attempt a second nesting, resulting in two broods.

Herons lay 2-5 eggs, and lay them every 1-2 days. Typically, they incubate the eggs for 28-29 days before hatching. The chicks fledge (leave the nest) at around 60-90 days. ~ All About Birds


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