Bird CSI: A Loon, a Swollen Spleen, and a Mysterious Disease

Common Loon Overview, All About Birds, Cornell Lab of Ornithology

Common Loon In Salt Lake County - Mia McPherson's On The Wing Photography

wildlife – Page 4 – News Center at Cummings School of Veterinary Medicine at Tufts University

Red-throated loon - Wikipedia

Common Loon - eBird

Common Loon - eBird

Common Loon Overview, All About Birds, Cornell Lab of Ornithology

Toxic Fishing Tackle Is Hampering Loon Recovery in New Hampshire

Common Loon Overview, All About Birds, Cornell Lab of Ornithology

Avise's Birds of the World

Loon Behavior – Loon Preservation Committee

Keep an eye out for infectious bird disease, says wildlife pathologist

wildlife – Page 4 – News Center at Cummings School of Veterinary