Ruff (Philomachus pugnax) breeding once a year (Photo Ruff male changing from the breeding plumage to winter plumage), Ruff, one brood each year is normal (Photo Ruff male changing from the breeding plumage to winter plumage)

Royalty-Free Standard Licenses are granted for worldwide, non-exclusive and perpetual use, unless specifically noted otherwise. All Royalty-Free transactions are final. The Royalty-Free Standard license has no limitations and covers 1 user.