- Lightbox    ESZ01403 Harlequin ducks (Histrionicus histrionicus), five birds in flight over water. Katmai National Park, Alaska, USA	- Lightbox    ESZ01404 Harlequin duck (Histrionicus histrionicus), male on water. Katmai National Park, Alaska, USA	- Lightbox    ESZ01405 Harlequin ducks (Histrionicus histrionicus), two, taking to flight. Katmai National Park, Alaska, USA
- Lightbox    ESZ01406 Barrows goldeneyes (Bucephala islandica), Katmai National Park, Alaska, USA	- Lightbox    ESZ01407 Glaucous-winged gull (Larus glaucescens), in flight. Katmai National Park, Alaska, USA	- Lightbox    ESZ01408 Glaucous-winged gull (Larus glaucescens), chick. Katmai National Park, Alaska, USA
- Lightbox    ESZ01409 Glaucous-winged gull (Larus glaucescens), ground nest with three eggs. Katmai National Park, Alaska, USA	- Lightbox    ESZ01410 Glaucous-winged gull (Larus glaucescens), ground nest with three eggs. Katmai National Park, Alaska, USA	- Lightbox    ESZ01411 Red-breasted mergansers (Mergus serrator), group in flight. Katmai National Park, Alaska, USA

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