MYN / Gil Wizen / Pseudoscorpions (one freshly molted) found under tree bark. Central Coastal Plain, Israel. Cropped. Meetyourneighbours.net project

Donald M. Jones / Calliope Hummingbird (Stellula calliope) feeding on flower nectar, Troy, Montana

Glenn Bartley / Calliope Hummingbird (Stellula calliope) flying, British Columbia, Canada

Bob Steele / Calliope Hummingbird (Stellula calliope) male, Inyo County, California

Alan Murphy / Calliope Hummingbird (Stellula calliope) feeding on nectar, Montana

Glenn Bartley / Calliope Hummingbird (Stellula calliope) male, British Columbia, Canada

Donald M. Jones / Calliope Hummingbird (Stellula calliope) male feeding on Paintbrush (Castilleja sp) flower nectar, Troy, Montana

Donald M. Jones / Calliope Hummingbird (Stellula calliope) male feeding on flower nectar, Troy, Montana

Rolf Nussbaumer / Calliope Hummingbird (Stellula calliope) female feeding on Fairy Duster (Calliandra eriophylla). Gila National Forest, New Mexico, USA, August.

Rolf Nussbaumer / Calliope Hummingbird (Stellula calliope) male feeding on Scarlet Gilia (Ipomopsis aggregata). Gila National Forest, New Mexico, USA, August.

Rolf Nussbaumer / Calliope Hummingbird (Stellula calliope) female feeding on Turk's Cap (Malvaviscus drummondii). Gila National Forest, New Mexico, USA, August.

Donald M. Jones / Calliope Hummingbird (Stellula calliope) male hovering, western Montana

Donald M. Jones / Calliope Hummingbird (Stellula calliope) male hovering, western Montana

Donald M. Jones / Calliope Hummingbird (Stellula calliope) female feeding on Honeysuckle (Lonicera sp), western Montana

Donald M. Jones / Calliope Hummingbird (Stellula calliope) female feeding on Indian Paintbrush (Castilleja attenuata), western Montana

Donald M. Jones / Calliope Hummingbird (Stellula calliope) female perched on a lichen covered twig, western Montana

Konrad Wothe / Calliope Hummingbird (Stellula calliope) feeding at flowers, California

Tom Vezo / Calliope hummingbird female {Stellula calliope} Idaho, USA.

TOM MANGELSEN / Calliope Hummingbird flying / hovering (Stellula calliope) USA Grand Teton NP

TOM MANGELSEN / Calliope Hummingbird feeding. (Stellula calliope) USA Grand Teton NP

Tim Fitzharris / Calliope Hummingbird (Stellula calliope) feeding on Beard-tongue (Penstemon sp) flower nectar, New Mexico

Donald M. Jones / Calliope Hummingbird (Stellula calliope) male feeding on flower nectar, Troy, Montana

Paul D Stewart / Elephant bird egg (Aepyornis maximus) 30cm compared to a Calliope hummingbird egg (Stellula calliope) 12mm. The Aepyornis egg volume holds around 7 to 10 litres, the hummingbird's a few millilitres. T...

Tom Vezo / Calliope Hummingbird (Stellula calliope) female, Teton Valley, Idaho

Donald M. Jones / Calliope Hummingbird (Stellula calliope) male feeding on Paintbrush (Castilleja sp) flower nectar, Troy, Montana

Donald M. Jones / Calliope Hummingbird (Stellula calliope) male feeding on Paintbrush (Castilleja sp) flower nectar, Troy, Montana

John Chan / Calliope hummingbird (Stellula calliope) chasing insects before returning to its perch, Southern California, USA, April.

John Chan / Calliope hummingbird (Stellula calliope) stretching and takes flight, Southern California, USA, April.

John Chan / Calliope hummingbird (Stellula calliope) perched, resting and scratching its head, Southern California, USA, April.

John Chan / Calliope hummingbird (Stellula calliope) extending its tongue after feeding, Southern California, USA, April.

John Chan / Calliope hummingbird (Stellula calliope) perched strecthing wings, Southern California, USA, April.

John Chan / Calliope hummingbird (Stellula calliope) watching from its perch, Southern California, USA, April.

John Chan / Calliope hummingbird (Stellula calliope) watching other birds from perch before flying away, Southern California, USA, April.

Gerrit Vyn / Calliope hummingbird (Stellula calliope) perched, Deschutes County, Oregon,USA. May.