Jiri Slama / Northern Gannet (Morus bassanus) pair in courting display, Bass Rock, Scotland, United Kingdom

Jiri Slama/ BIA / Red-bellied Woodpecker (Melanerpes carolinus) female, Florida

Jiri Slama / Red Crossbill (Loxia curvirostra) male feeding on pine cone seeds, Bergen, Norway

Jiri Slama / Great Skua (Catharacta skua) displaying, Runde, Norway

Jiri Slama / Great Egret (Ardea alba) fishing, Florida

Jiri Slama / African Red-eyed Bulbul (Pycnonotus nigricans), Kunene, Namibia

Jiri Slama / Mourning Dove (Streptopelia decipiens), Kunene, Namibia

Jiri Slama / African Pipit (Anthus cinnamomeus), Outjo, Namibia

Jiri Slama / Bare-cheeked Babbler (Turdoides gymnogenys), Namibia

Jiri Slama / Red-shouldered Glossy-Starling (Lamprotornis nitens), Namibia

Jiri Slama / Red-shouldered Glossy-Starling (Lamprotornis nitens), Namibia

Jiri Slama / Rufous-vented Warbler (Sylvia subcaerulea), Windhoek, Namibia

Jiri Slama / Crimson-breasted Gonolek (Laniarius atrococcineus), Outjo, Namibia

Jiri Slama / Crowned Lapwing (Vanellus coronatus), Namibia

Jiri Slama / African Golden Weaver (Ploceus subaureus), Kunene, Namibia

Jiri Slama / Familiar Chat (Cercomela familiaris), Namibia

Jiri Slama / Fork-tailed Drongo (Dicrurus adsimilis), Outjo, Namibia

Jiri Slama / Grey-backed Camaroptera (Camaroptera brevicaudata), Namibia

Jiri Slama / Helmeted Guineafowl (Numida meleagris), Outjo, Namibia

Jiri Slama / Common Fiscal (Lanius collaris), Kunene, Namibia

Jiri Slama / Mountain Wheatear (Oenanthe monticola) male, Kunene, Namibia

Jiri Slama / Pale-winged Starling (Onychognathus nabouroup), Namibia

Jiri Slama / Laughing Dove (Spilopelia senegalensis), Namibia

Jiri Slama / Pied Crow (Corvus albus), Cape Fria, Namibia

Jiri Slama / Red-billed Spurfowl (Pternistis adspersus), Namibia

Jiri Slama / Sociable Weaver (Philetairus socius), Sossusvlei, Namibia

Jiri Slama / Masked-Weaver (Ploceus velatus) male in woven grass nest, Windhoek, Namibia

Jiri Slama / Masked-Weaver (Ploceus velatus) female, Kunene, Namibia

Jiri Slama / Masked-Weaver (Ploceus velatus) male at nest, Windhoek, Namibia

Jiri Slama / White-backed Mousebird (Colius colius), Windhoek, Namibia

Jiri Slama / Southern Pied Babbler (Turdoides bicolor), Outjo, Namibia

Jiri Slama / Swallow-tailed Bee-eater (Merops hirundineus), Orupembe, Namibia

Jiri Slama / Three-banded Plover (Charadrius tricollaris), Namibia

Jiri Slama / White-breasted Cormorant (Phalacrocorax lucidus), Torra Bay, Namibia

Jiri Slama / White-fronted Plover (Charadrius marginatus), Torra Bay, Namibia

Jiri Slama / Purple Swamphen (Porphyrio porphyrio), Florida

Jiri Slama / Pileated Woodpecker (Dryocopus pileatus) female pecking at branch, Florida

Jiri Slama / White-backed Woodpecker (Dendrocopos leucotos), Hordaland, Norway

Jiri Slama / Great Snipe (Gallinago media) pair courting, Levanger, Norway

Jiri Slama / Great Snipe (Gallinago media) pair courting, Levanger, Norway

Jiri Slama / Great Snipe (Gallinago media) displaying, Levanger, Norway

Jiri Slama / Eurasian Dotterel (Eudromias morinellus), Oppdal, Norway

Jiri Slama / Great Snipe (Gallinago media), Levanger, Norway

Jiri Slama / Red Crossbill (Loxia curvirostra) male, Bergen, Hordaland, Norway

Jiri Slama / Meadow Pipit (Anthus pratensis), Runde, Norway

Jiri Slama / Semipalmated Plover (Charadrius semipalmatus) pulling a worm out of the sand, Florida

Jiri Slama/ BIA / Red-necked Phalarope (Phalaropus lobatus) female, Norway