The Gaviidae – divers+ or loons and divers is a small family of fairly large aquatic birds of Type – waterbird and Order Gaviiformes. They are Holarctic birds of N America and N Eurasia, and are called divers in UK and loons in US.
videos of Arctic divers/loons are shown below How to identify Winter divers Arctic loons Gaviidae - Divers+ contains the following categories... Divers Divers+ Loons