Their wings rapidly fluttering, they alighted on the foliage; they explored it over and under, probed it, raised it, and displaced it so that the twig finally fell to the floor.

None the less they continued to probe between the leaves.

Under the buffets and the draught of their wings and the clutches of their eager feet the little bundle of leaves ran along the floor like a scrap of paper patted by the paws of a cat.
While the twig was sliding away with its band of investigators two new arrivals appeared.

The chair lay in their path.

They stopped at it and searched eagerly at the very spot on which the twig had been lying.