Rufous Hummingbird

RUFOUS HUMMINGBIRD – (Selasphorus rufus)

Conservation Status: Near threatened
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Apodiformes
Family: Trochilidae
Genus: Selasphorus
Species: S. rufous

Rufous hummingbirds are located in western North America and are a migrating species.
They breed in the north from southern Alaska and most travel all the way south to winter in Mexico.

Rufous hummingbirds acquire their name from the Latin word rubrum which means “red” describing its reddish-brown coloring.

Male
Rufous Hummingbirds:

Male Rufous hummingbirds are known for their fiery iridescent orange-red throat (gorget) and bright metallic orange color on their head and back that gleams in the sun.

The metal plate that shields the wearer’s throat during combat to prevent injuries is the inspiration behind the name of the gorget on a male hummingbird.

This name is acceptable and fitting to characterize the physical characteristics of male hummingbirds, since they fight fiercely for their own territory.

Read my article:
Hummingbird Gorgets Explained

Their belly and chest are white or buff-colored, providing contrast to the vibrant orange.
Their tails are reddish with dark tips and their bill is black.

Along with chocolate brown dorsal feathers, males can also have green plumage with green spots on their rustic-looking backs or on the summit of their heads.
They weigh 3.2 grams and range in length from 2.8 to 3.5 inches.

Note: The gorget appears chocolate brown in this lighting, however, you can still see a glimmer of his iridescent orange-red gorget with some hints of yellow.

Female
Rufous Hummingbirds:

Female Rufous hummingbirds lack a gorget and iridescent feathers.
Though less vibrant than males they are still striking with greenish backs, rusty sides, and white or buffy undersides. 

In the wild, confusion can arise because some females can have stippling or scattered iridescent orange color specs along their throat line that resemble juvenile characteristics.

They are slightly larger than the males in anticipation of producing offspring.
They are polygamous and will mate with several partners in a season.

Female Rufous hummingbirds have one of the northernmost breeding ranges of any hummingbird in the world; migrating north from Mexico and nesting as far north as Alaska to breed during the summer months.

Read my article:
Hummingbird Parents: (Mating to Nesting)

Juvenile
Rufous Hummingbirds:

Juvenile Rufous hummingbirds resemble adult females with greenish backs, rusty sides, and pale undersides.

Males may show early signs of iridescent orange red dots on their neckline. Their behavior includes rapid learning of flight and feeding skills, preparing them for long migrations and eventual territorial disputes.

In the wild, juvenile Rufous hummingbirds and Allen’s hummingbirds are nearly identical in terms of color and behavior.
Therefore, range rather than appearance is used to establish identity.

As juveniles molt into their first full set of feathers, the fluffy white undertail coverts become visible. These feathers are a distinguishing feature and are often more prominent due to their soft texture.

Note: Preening flight feathers is an important daily routine to maintain hygiene and to keep the feathers flexible, strong, in alignment, and parasite-free.

Baby
Rufous Hummingbirds:

Baby Rufous hummingbirds are tiny, naked, and blind at hatching, weighing less than a gram. Their skin is pale pink, with sparse down feathers. 

Cared for by the mother, they remain in the nest for about 18-22 days, developing feathers, strength, and coordination before fledging to begin independent life.

See my article:
Baby Hummingbirds: (Egg to Fledgling)

Hear the sounds of the Rufous hummingbird (Cornell Lab of Ornithology link).

Of all the birds in the world, Rufous hummingbirds migrate within the United States for the longest period of time.
Every year, they traverse 3,900 miles in a clockwise manner around western America.

This migratory pattern during the seasons coordinates their arrival perfectly while catching nectar and blooming flowers throughout the year, fueling their bodies for their long journey.

In order to support a healthy migration, hummingbird enthusiasts are very beneficial when they cultivate blooming plants to draw hummingbirds and supply feeders with homemade hummingbird nectar. 

Ready my article:
Forget Commercial Hummingbird Food, Try Making Homemade Nectar

These friendly environments offer and guarantee safe trips in addition to a dependable haven for relaxation and refueling while on the road.

When it comes to other hummingbirds and animals, Rufous hummingbirds are fiercely possessive and hostile.

They are known for being aggressive and bold, driving large birds and rodents away from their favorite feeders in addition to other hummingbirds.

See my article:
Why Hummingbirds Chase Each Other: Is it Friend or Foe?

It has even been observed that female mothers may attack squirrels and chipmunks that approach their nest too closely.

Due to their remarkable memory, Rufous hummingbirds have been observed to search for an abandoned hummingbird feeder years after it has been taken down.

Read my article:
Hummingbird Adaptation and Remarkable Ability to Locate Food

Because of their unparalleled flying acrobatics, Rufous hummingbirds are fierce competitors at feeders, outmaneuvering all other species.

Rufous hummingbirds easily hybridize and cross-breed with other hummingbird species, such as Anna’s hummingbirds.

IUCN Red List classifies the Rufous hummingbird as “near threatened” because of habitat destruction in the Pacific Northwest.

In British Columbia, during a banding operation, the oldest living Rufous hummingbird was documented at 8 years and 10 months old.

Read my article:
3 Reasons Why Hummingbirds Are Banded