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Elf Owl (Micrathene Whitneyi)

Elf owls are small, nocturnal birds that live in the desert. Their name comes from their unusual size; “elf” is a reference to the elves that everyone knows.

With its distinctive markings and sweet song, the elf owl is one of the most captivating birds in North America.

These owls are members of the Strigidae family and are considered to be true owls.

Scientific Classification

Kingdom Animalia
Phylum Chordata
Class Aves
Order Strigiformes
Family Strigidae
Genus Micrathene
Scientific Name Micrathene Whitneyl

Facts

Type Bird
Common Name Elf owl
Other Names Little owl
Name of Young Owlets
Number of Species 4
Social Behavior Form mating pairs for three months
Group Name Parliament
Diet Carnivores
Prey Insects
Favorite Food Scorpions, grasshoppers, bugs
Activity Pattern Nocturnal
Biggest Threat Predators
Predators Owls, snakes, coyotes
Distribution United States, Mexico
Habitat Woodlands and deserts
Est. Population Size 72,000
Conservation Status Least Concern[1]
Lifespan 3-6 years

Physical Characteristics

Height 4.5-5.5 inches
Weight 1.5 ounces
Color Brown
Skin type Feathers
Wingspan 10.5 inches
Top speed Unknown

Elf Owl pictures

Elf owls are often captured in photographs, but few ever get to see one in person. Elf owls are nocturnal birds of prey that live throughout North America. They are tiny raptors, considerably smaller than the average owl.

Elf Owl
Image Source

5 Interesting Elf Owl  Facts

Here are a few interesting facts about owls that you need to know.

  • They reuse abandoned woodpecker holes. When looking for a suitable nesting spot, elf owls will often use abandoned woodpecker holes. These holes are a perfect size and shape to accommodate an elf owl’s nest.[1]
  • They love hunting insects. While most people think they are cute, elf owls tend to be quite ferocious hunters. They hunt insects by snatching them out of the air. They have very sharp eyesight so they can spot an insect from long distances.
  • Sometimes, in order to find food and survive, elves owls migrate. This can be seen when there’s a lack of food in the wintertime
  • Males attract mates with songs and a nest. The song also indicates which direction his nest is. He builds a new nest every year, and it takes him about five weeks to do so using sticks and twigs.
  • They like to store food. Elf owls are very different from most birds. Elf owl is unique in its ability to store quantities of food for later. Because of this, the elf owl is able to survive during times when prey is scarce and hard to capture.

Elf Owl Classification and Discovery

Elf owls are a member of the Strigidae family, which is the biggest family of owls.  Some of the most well-known and largest owl species belong to this family. 

The elf owl is a tiny bird with one of the smallest bodies in its genus. As a result, it does not have all the characteristics that most other owl species have.

They were first described in 1861 by an American naturalist by the name of James Graham Cooper, named to honor Josiah Whitney, a geologist.[2]

There are four recognized subspecies of elf owls.

Related: All Types of Owls

Types of Elf Owl

The elf owl has four different subtypes. These are Micrathene whitneyi sanfordi, Micrathene whitneyi graysoni, Micrathene whitneyi whitneyi, and Micrathene whitneyi idonea.

Owl Species Habitat
Micrathene whitneyi sanfordi Southern parts of Baja California
Micrathene whitneyi graysoni Socorro
Micrathene whitneyi whitneyi Extinct
Micrathene whitneyi idonea Southern Texas

Elf Owl Size, Anatomy, and Appearance

The Elf Owl is a small creature. They can grow up to 5.5 inches tall and have a wingspan of 10-11 inches, making it one of the smallest owls known, about the size of a sparrow. 

Elf Owls are brown except for some streaks on their head and neck which are black, white, and rufous. They also have yellow eyes.

With well-adapted wings for maneuvering both in trees and open areas, they are efficient woodland hunters, allowing them to catch insects like moths and grasshoppers. Their talons are also adapted for catching small prey. They are not known to attack larger animals, including humans.

Elf Owl Distribution and Habitat

The elf owl can mainly be found in riparian woodlands and various areas of the Sonoran Desert Region. They are endemic to North America and Mexico.

The distribution and habitat of this species of owl vary by their population density. They are found in the southwestern United States and Mexico, mainly theSonoran Desert Region.[3]

Elf owls are commonly found in the following states:

  • Arizona
  • California
  • Colorado
  • New Mexico
  • Nevada
  • Texas
  • Utah

The habitat can be described as forest/woodland areas with a large number of saguaro cacti.

They are also found in dense woodlands with a high amount of vegetation. The owls build their nests in tree cavities which they line thickly with plant debris for comfort and insulation against the cold.

Elf Owl Behaviour and Lifestyle

The Elf owl is nocturnal which means they are active at night. During the day Elf owls sleep, which makes them relatively easy prey for other predators if they aren’t properly hidden. All main activities take place at night, including hunting, mating, and feeding.

These owls have a distinctive call that can be heard from a distance of 1 km.  The sound of an Elf owl is easily recognized because of the oscillations that occur, which are similar to a tremolo.

Elf Owl Diet and Prey

The primary food source of the Elf Owl is insects. Moths (Lepidoptera) make up a great ideal of their diets. The Elf Owl will also eat small reptiles and bats.

The diet of the Elf Owl varies depending on location and habitat. In northern regions, insects are a very popular food source.[4]

Elf Owls rest in trees (perching), waiting for prey to pass by them. They hunt at dusk and continue through the night until dawn where they return to their roosting place to sleep.

Related: What Do Owls Eat?

Elf Owl Predators and Threats

Among the Elf owl’s natural predators are other owls, snakes, coyotes, bobcats, and ringtails.

Because of the small size of elf owls, they are at great risk from predators, including both birds and land-bound animals.

Predators can spot elf owls because their feet can’t be completely camouflaged. Bobcats and ringtails prey on the elf owl by pouncing on them and killing them with their sharp teeth and claws.

Many threats to the elf owl’s survival are caused by humans, such as climate change, pollution, and deforestation.

Elf Owl Reproduction, Life Cycle, and Lifespan

Elf owls typically reproduce once a year, laying three eggs at a time. They can live for 3–6 years in the wild. This number increases to 10–14 years in captivity.

Mating begins with a song and mating ritual from the male. Males court the females with songs. They mate for three months at a time, living in close proximity but not in the same nest.

The female elf owl is responsible for building the nest and sitting on the eggs for most of the day while the male feeds her. The female elf owl does shifts of about three hours at a time before returning to the nest. During the breaks she feeds. 

Eggs are incubated for about 24 days, usually between March and May.

When born, the owlets weigh less than one gram each. They are almost completely naked, with just a few long white down feathers covering their bodies. Owlets are born with their eyes closed, but after about ten days they open.

By the time the female elf owl is done brooding, they will have tripled in size and weight to approximately three grams each.

Related: How Long Do Owls Live?

Elf Owl Population and Conservation Status

The elf owl population is about 72,000. They’re considered as “Least Concern” by the IUCN Redlist.

The elf owl has a huge range across the Americas. The only places that do not have elf owls are extremely hot regions, extremely cold regions, and very dry deserts. They can also be found in many areas where humans reside.

Elf Owl FAQs

What Is an Elf Owl?

The Elf Owl is a small owl species that inhabit the same area as other types of owls do, which includes forests, deserts, and woodland areas. It is native to North America, where it lives in the southwestern part of the continent.

Can You Keep Elf Owls as a Pet?

The answer to this question is no. The United States does not allow anyone to keep elf owls as pets. Elf owls are listed as an animal that cannot be kept or sold in the United States.

About Kaitlin Mullins

Birds are plenty, and they can be hard to keep track of. Thankfully, Katilin Mullins has taken charge of these. With plenty of free time spent bird watching, she’s a true expert on these intriguing animals.