Life Forms of the Moment:

This Ruby-throated Hummingbird male has just heard a threatening sound made by a rival male. As you can see, he is ready to defend his territory.

The same male, captured preening several of his approximately 950 feathers (all of which are replaced every year).

A juvenile Ruby-throated in my garden, about to sip nectar from a tubular Monarda flower.

Hummingbirds at my house also visit Trumpet Vine flowers with great frequency.

When Lobilias flower in August, the hummers are there to drink from them.

This Green-breasted Mango is breaking fast and turning right at the sight of a tempting nectar flower. Photographed at Rancho Naturalista, Costa Rica.

A Saphire-spangled Emerald, photographed from the veranda at Amazonia Lodge, Peru.

A Rufous-crested Coquette, photographed from the same vantage point. Amazonia Lodge is located in the Manu Biological Preserve on a tributary of the Amazon River.

Measuring 3.5 inches long, with a 4-inch wingspan, the Calliope Hummingbird is the smallest in North America. Photographed in Spokane, Washington.

In late summer, I discovered this female Ruby-throated Hummingbird sipping nectar from White Coneflowers in the garden. 

This Green Violet-ear is mili-seconds from landing on a feeder at Sevegre Lodge in Costa Rica.

A Rufous-tailed Hummingbird sits on her nest at Selva Verde Lodge in Costa Rica.

Photos by Rick Marsi
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