Diane McAllister / Male Anna's hummingbird (Calypte anna) hovers in mid-air looking at the camera in a backyard in Reno. Nevada, USA, August

Diane McAllister / Rufous hummingbird (Selasphorus rufus) drinking nectar from an Agastache bloom in a backyard in Reno. Nevada, USA, August

Diane McAllister / Newly hatched Western scrub jay chicks (Aphelocoma californica) huddling together in their nest near one last egg. This nest is in a backyard in Reno. Nevada, USA, June

LYNN M. STONE / Pair of English Springer Spaniels, one black and white, one liver and white, amongst autumn leaves with pumpkins in cart, Illinois, USA

LYNN M. STONE / Persian kitten (baby doll type) in strawberry basket, Illinois, USA

Doug Gimesy / Wildlife carer Julie Malherbe prepares bottles for orphan Grey-headed Flying-foxes (Pteropus poliocephalus) under her care. They have been orphaned after their mums were killed by power lines or were...

Marie Read / Backyard setup for photographing Ruby-throated Hummingbirds (Archilocus colubris) in summer, New York, USA. A natural food plant (cardinal flower (Lobelia cardinalis)) in a floral tube of water is tie...

Marie Read / Backyard setup for photographing Ruby-throated Hummingbirds (Archilocus colubris) in summer, New York, USA. A medical syringe is used to inject a few drops of sugar solution into the flower (set up in...

Marie Read / Bird-friendly garden in full bloom in summer, New York, USA, including purple coneflowers (Echinacea purpurea) and green-headed coneflowers (Rudbeckia laciniata), black-eyed susans (Rudbeckia sp.), be...

Juergen Freund / Lumholtz tree kangaroo (Dendrolagus lumholtzi) Geoffrey was raised from baby to adulthood by Margit Cianelli and released into her 140-acre rainforest backyard 8 years ago. He since became the alpha m...

Juergen Freund / Tree kangaroo 'Geoffrey' was raised from baby to adulthood by Margit Cianelli and released into her 140-acre rainforest backyard 8 years ago. He since became the alpha male of the forest and c...

Eladio Fernandez / View from one of the fortresses windows into the backyard where all the cannon and mortar balls are stored. La Citadelle, UNESCO World Heritage Site, Haiti, August 2016.