birdcount.org Rank 3.8M. Estimated value 564$perkypet.com Rank 437K. Estimated value 4,956$birdcagesnow.com Rank 864.6K. Estimated value 2,496$thewebsiteofeverything.com Rank 779K. Estimated value 2,772$birdbgone.com Rank 1M. Estimated value 2,064$birdwatchireland.ie Rank 5.5M. Estimated value 384$observation.org Rank 510.9K. Estimated value 4,236$forestwildlife.org Rank 1.4M. Estimated value 1,560$birdcageshere.com Rank 1.4M. Estimated value 1,512$beautyofbirds.com Rank 541.8K. Estimated value 3,996$