Weekly birding round-up: 20 - 26 Mar

Jon Dunn's regular look back at the best birds from around Britain, Ireland and the Western Palearctic. More here >

Galapagos Lava Heron confirmed as distinct species

New research reshapes understanding of Butorides herons, revealing the island population is more closely related to Green Heron than to mainland Striated Herons. More here >