Bence Mate / European bee eaters (Merops apiaster) one taking off another perched, Kiskunsagi National Park, Pusztaszer, Hungary. May.

Wim van den Heever / White-fronted bee-eaters (Merops bullockoides) perched near to nesting holes Chobe National Park, Botswana.

Wim van den Heever / Little bee eaters (Merops pusillus) two, with one landing on branch with a fly in its beak. Okavango Delta, Botswana

Ramon Navarro / Male European bee eater (Merops apiaster) offering insect to female as part of a courtship display, before mating, Seville, Spain, May.

Bence Mate / Pair of European bee-eaters (Merops apiaster) with courtship offering of insect prey, Pusztaszer, Kiskunsagi National Park, Hungary

Bence Mate / European bee-eater (Merops apiaster) digging in sand, Pusztaszer, Kiskunsagi National Park, Hungary

Bence Mate / European bee-eater (Merops apiaster) view of tail feathers as it digs in sand, Pusztaszer, Kiskunsagi National Park, Hungary

Roger Powell / Pair of European Bee-eater (Merops apiaster) on a bank above their nest hole in front of flowers. Note regurgitated pellets of insect remains. Alentejo, Portugal, April.

Roger Powell / European Bee-eater (Merops apiaster) with a bee landing on a branch by its mate. Alentejo, Portugal, May.

Roger Powell / European Bee-eater (Merops apiaster) courting a female by offering her a Small Copper butterfly (Lycaena phlaeas). Alentejo, Portugal, April.

Stefan Huwiler / European Bee-eater (Merops apiaster) adult. Hungary, Europe, May.

Stefan Huwiler / European Bee-eater (Merops apiaster) perched. Hungary, Europe, May.