ritual Western Grebe Pair Head-bobbing in a Courtship Dance in Colorado During Summer by Pronghorn Productions in Bird , Grebe 4k (4096x2160) – $69 Full HD (1920x1080) – $59 HD (1280x720) – $49 Add to Cart Checkout Added to cart Western Grebe Pair Head-bobbing in a Courtship Dance in Colorado During Summer $49 Pair of Pigeon Guillemots Circling in Courtship in Oregon on a Sunny Day by Pronghorn Productions in Auk , Bird 8K (8192x4320) – $89 4k (4096x2160) – $69 Full HD (1920x1080) – $49 HD (1280x720) – $29 Add to Cart Checkout Added to cart Pair of Pigeon Guillemots Circling in Courtship in Oregon on a Sunny Day $29 Northern Shoveler Drake and Hen Head Bobbing in Spring Display by Pronghorn Productions in Bird , Duck , Waterfowl Full HD (1920x1080) – $49 HD (1280x720) – $39 Add to Cart Checkout Added to cart Northern Shoveler Drake and Hen Head Bobbing in Spring Display $39 Sharp-tailed Grouse Displaying on Lek at Dawn in South Dakota During Spring by Pronghorn Productions in Bird , Galliformes , Grouse , Sharp-tailed Full HD (1920x1080) – $19 HD (1280x720) – $15 Add to Cart Checkout Added to cart Sharp-tailed Grouse Displaying on Lek at Dawn in South Dakota During Spring $15