Agustin Esmoris / White-throated Hummingbird (Leucochloris albicollis) feeding on flower nectar, Argentina

Agustin Esmoris / White-throated Hummingbird (Leucochloris albicollis) feeding on flower nectar, Argentina

Agustin Esmoris / Gilded Hummingbird (Hylocharis chrysura) feeding on flower nectar, Argentina

Agustin Esmoris / Bananaquit (Coereba flaveola) on flower, Argentina

Agustin Esmoris / Scorpion (Brachistosternus pentheri) in defensive posture, Provincial Reserve Luro Park, Argentina

Agustin Esmoris / Scorpion (Brachistosternus ferrugineus) in defensive posture, Argentina

Agustin Esmoris / Honey Bee (Apis mellifera) feeding on Lavender (Lavandula sp) flower nectar, Argentina

Agustin Esmoris / Black-throated Mango (Anthracothorax nigricollis) hummingbird feeding on flower nectar, Argentina

Agustin Esmoris / Gulf Fritillary (Agraulis vanillae) butterfly on Zinnia (Zinnia sp) flower, Bahia Blanca, Argentina

Ingo Arndt / Caddisfly (Limnephilidae) case built out of sticks and bark fragments, Germany, November.

Ingo Arndt / Caddisfly (Limnephilus sp.) case built of sticks, wood fragments, seeds, snail shells and plant stems, Germany, November.

Ingo Arndt / Common Moorhen (Gallinula chloropus) nest from Germany in collection at Uebersee-Museum, Bremen, Germany.