David Williams/ BIA / Common Starling (Sturnus vulgaris) flock flying over lake, Wales, United Kingdom

David Williams / Mongolian Plover (Charadrius mongolus) running, Thailand

David Williams / Grey Heron (Ardea cinerea) swallowing fish, Hungary

David Williams/ BIA / Kentish Plover (Charadrius alexandrinus) running, Goa, India

David Williams/ BIA / Speckled Pigeon (Columba guinea) at waterhole, Gambia

David Williams/ BIA / Common Shelduck (Tadorna tadorna) flying, Wales, United Kingdom

David Williams/ BIA / Double-banded Courser (Rhinoptilus africanus), Namibia

David Williams/ BIA / Double-banded Sandgrouse (Pterocles bicinctus) male, Namibia

David Williams/ BIA / Double-banded Sandgrouse (Pterocles bicinctus) female, Namibia

David Williams/ BIA / Dusky Sunbird (Nectarinia fusca), Namibia

David Williams/ BIA / Bokmakierie Bushshrike (Telophorus zeylonus) with leech prey, Namibia

David Williams/ BIA / Yellow-billed Kite (Milvus aegyptius) with fish prey, Gambia