a black-crowned night heron reaches up to break off a twig.

and aquatic balancing beak behavior behaviour birding birdwatching blackcrowned blue branch break breeding budding building chest close colorado conservation creamy deep environment eye feet for fresh frontal gather gathering germinating growth habitat heron herons legs medium nearby nest new night observable ornithology outdoors perched pink proximity purposes range reaches reaching red season size sky springtime sticks tool trees twig vibrant visit white