Ingo Arndt / Whiskered Tern (Chlidonias hybrida) male passing mayfly to female during courtship, Danube Delta, Romania
00561241
Ingo Arndt / Whiskered Tern (Chlidonias hybrida) male passing dragonfly to female during courtship, Danube Delta, Romania
01443093
Ammonite / Close-up of Honey bees (Apis mellifera) inside hive, showing trophallactic contact, an exchange of between individual workers in order to share information on food quality, France, July.
01471683
MD Kern / Palo Alto JR Museum / European honey bees (Apis mellifera) tending the queen, one licking her to take up her odour, which will spread through the colony via food exchange, such as in the bottom right corner of the image. A...
01471684
MD Kern / Palo Alto JR Museum / European honey bees (Apis mellifera) tending the queen, one licking her to take up her odour, which will spread through the colony via food exchange, such as in the bottom right corner of the image. A...
01471657
MD Kern / Palo Alto JR Museum / European honey bees (Apis mellifera) on comb with one with deformed wing virus (transmitted by Varroa destructor mites) and group of four participating in food exchange, captive.
00221277
Tom Vezo / Royal Tern (Thalasseus maximus) pair in food exchange part of courtship display, Rio Grande Valley, Texas
00519630
Sergey Gorshkov / Snowy Owl (Nyctea scandiaca) trio exchanging food in flight, Wrangel Island, Russia
00462315
Christian Ziegler / Ant (Azteca sp) pair coming out of a hole in stem of Cecropia (Cecropia sp) plants that offer ants space and food in exchange for protection against herbivores, Barro Colorado Island, Panama
01725524
Marie Read / Northern harrier (Circus cyaneus) pair exchanging food in courtship while flying near nest, Montezuma National Wildlife Refuge, New York, USA.
01719100
Doug Wechsler / Two Ferruginous carpenter ants (Camponotus chromaiodes) on a Common jewelweed leaf (Impatiens capensis) sharing food with Aphids (Aphididae) they are tending, Bucks County, Pennsylvania, USA. Septembe...
00655373
Thomas Hinsche/ BIA / Eurasian Hoopoe (Upupa epops) male presenting insect prey to female as part of courtship, Kiskunsag National Park, Hungary
