Marie Read / Ruby-throated Hummingbird (Archilocus colubris), male flying in to feed from cardinal flowers (Lobelia cardinalis) New York, USA. August.

Jack Dykinga / Flowering Lobelia (Lobelia cardinalis) beside a pool with submerged Yellow pond lily (Nuphar polysepala) and Cypress (Taxodium sp) in El Cielo Biosphere Reserve, Tamaulipas, Mexico

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...

MYN / Clay Bolt / Cardinal flower (Lobelia cardinalis) Dacusville, Pickens County, South Carolina, USA, August. meetyourneighbours.net project

MYN / Clay Bolt / Cardinal flower (Lobelia cardinalis) Dacusville, Pickens County, South Carolina, USA, August. meetyourneighbours.net project

LYNN M. STONE / Cardinal flower (Lobelia cardinalis) flowering in damp meadow, Connecticut, USA

Rolf Nussbaumer / Black-chinned Hummingbird {Archilochus alexandri}immature male feeding on Cardinal Flower (Lobelia cardinalis) Tuscon, Arizona, USA

Jack Dykinga / West Fork Oak Creek with flowering Cardinal Flower (Lobelia cardinalis) Coconino National Forest, Arizona