Grebes chattered, because they were very social.

Ducks dived and gobbled for roots and worms of the lake shore, and congratulated each other when they were lucky.
Killdeer cried for slaughter, in plaintive tones, as their white breasts gleamed silver-like across the sky.

They insisted on the death of their ancient enemies, because the deer had trampled nests around the shore, roiled the water, spoiled the food hunting, and had been wholly unmindful of the laws of feathered folk from the beginning.
Behind the barn imperial cocks crowed challenges of defiance to each other and all the world, because they once had worn royal turbans on their heads, and ruled the forests, even the elephants and lions.

Happy hens cackled when they deposited an egg, and wandered through their park singing the spring egg song unceasingly.
Upon the barn Ajax spread and exulted in glittering plumage, and screamed viciously.

He was sending a wireless plea to the forests of Ceylon for a gray mate to come and share the ridge pole with him, and help him wage red war on the sickening love making of the white doves he hated.
Everything was beautiful, some of it was amusing, all instructive, and intensely interesting.