Blue Gray Gnatcatcher Bird

3 Blue-Gray Gnatcatcher Amazing Facts

Blue-gray Gnatcatcher - eBird

  • Male Blue-gray gnatcatchers are larger than females
  • Joy and happiness are words included in the spiritual meaning of this bird
  • The warbling song of this bird is how it communicates with other birds

Where to Find Blue-Gray Gnatcatcher

The Blue-gray gnatcatcher is native to North America and lives in a temperate climate. These birds are year-round residents in many states along the southern coast of the United States. This range includes the southern part of California traveling east to Florida and up into southern parts of Georgia and South Carolina. Some are permanent residents of Mexico and Cuba as well.

There are some Blue-gray gnatcatchers that make their home in northern parts of the United States. But birds living in northern states such as Michigan and Wisconsin migrate south for the winter. Sometimes they travel as far as Mexico. These birds start migrating south in September.

The breeding season for this bird runs from March or April into late July. This is a great time to see these birds at work building nests and feeding their chicks. So, if you see a couple of Blue-gray gnatcatchers building a nest remember that joy and happiness are two words in the spiritual meaning of this feathered creature.

The nest design is a cup shape made with mud, grass, and twigs. Animal hair and grass are put on the inside of the nest to serve as a soft layer for the eggs. Both male and female Blue-gray gnatcatchers work together to apply a layer of spider webs and lichen to the exterior of the nest. This helps hide it from predators. These birds usually build their nest at a height of 20 to 40 feet in a tree.

Blue-Gray Gnatcatcher Scientific Name

Blue-gray Gnatcatcher Identification, All About Birds, Cornell Lab of  Ornithology

Polioptila caerulea is the scientific name of the Blue-gray gnatcatcher. The Greek word Polioptila means gray plumage and the word caerulea means blue. It’s in the Aves class and the Polioptilidae family.

Blue-Gray Gnatcatcher Size, Appearance, & Behavior

Well, the name of the Blue-gray gnatcatcher says a lot about the appearance and behavior of this bird. Yes, this bird has bluish-gray feathers on its back and wings along with a cap of deeper blue feathers on its head. Its breast is white.

Blue-gray gnatcatchers have a long, thin, pointed beak. Its beak design allows it to pluck an insect out of the air. Capturing insects in mid-air is called hawking.

Its long tail feathers contain both black and white feathers. This bird flicks its tail feathers side to side to frighten insects out of bushes.

Male Blue-gray gnatcatchers are larger than females. Plus, a male has a black stripe extending from the base of its beak, over each eye, and across each side of its head.

The length of a Blue-gray gnatcatcher is four to five inches, and its height is three to four inches. It’s very light, weighing just .21 ounces. The wingspan of this bird is 6.3 inches.

The dark color of the Blue-gray gnatcatcher gives it an advantage when it’s trying to blend into its wooded habitat. The thin, pointed beak of this bird helps it to get a firm hold on its prey.

The Blue-gray gnatcatcher covers the outside of its nest with spider webs and lichen. Once again, this is an attempt to hide the nest from snakes, hawks, and other predators able to get into the treetops to kill an adult bird or steal an egg. This bird uses its call to warn other Blue-gray gnatcatchers of predators.

Blue-Gray Gnatcatcher sitting on a silver buttonwood tree. Blue-gray gnatcatchers have a long, thin, pointed beak. Its beak design allows it to pluck an insect out of the air.
Blue-Gray Gnatcatcher sitting on a silver buttonwood tree. Blue-gray gnatcatchers have a long, thin, pointed beak. Its beak design allows it to pluck an insect out of the air.©iStock.com/Matthew Jolley 

Blue-Gray Gnatcatcher Migration Pattern and Timing

Blue-gray Gnatcatcher - FeederWatch

Blue-gray gnatcatchers living in the northern parts of the United States migrate south to warmer weather for the winter season. In late September, birds living in Michigan, Wisconsin, southern Montana, and other northern states start on a southward path. Some of these birds stay in southern states such as Florida, Georgia, or Texas for the winter. Other Blue-gray gnatcatchers travel further south into Mexico.

In the spring, these migratory birds fly north again for the breeding season starting in March or April.

Blue-Gray Gnatcatcher Diet

280+ Blue Gray Gnatcatcher Stock Photos, Pictures & Royalty-Free Images -  iStock

Does a Blue-gray gnatcatcher look like a carnivore to you? It is! In fact, some biologists call this bird an insectivore because of its diet of insects.

What does a Blue-gray gnatcatcher eat?

This bird eats flies, leafhoppers, small wasps, spiders, and caterpillars. Along with capturing insects in mid-air, they also hop along the branches of a tree looking for bugs on leaves.

One interesting behavior of this bird is it will pick up a leaf-covered twig and shake it. This is an effort to scare the insects out from beneath the leaves.

Blue-Gray Gnatcatcher Predators, Threats, and Conservation Status

What eats a Blue-gray gnatcatcher?

This tiny bird has lots of predators including snakes, hawks, kestrels, and cats. All of these animals are able to chase after Blue-gray gnatcatchers even if they try to escape into the trees.

Blue-Gray Gnatcatcher Reproduction, Young, and Molting

Male Blue-gray gnatcatchers attract females with their song. A male and female Blue-gray gnatcatcher pair up during the breeding season. However, biologists aren’t sure whether they stay together for life. These birds begin breeding in March or April. A female has four or five eggs that hatch in just 13 days.

Both the male and the female take turns going out to find food for their babies, or chicks. The chicks grow quickly and are able to leave the nest at about 14 or 15 days old.

Typically, these birds live up to four years of age. But there is one Blue-gray gnatcatcher on record as having lived four years, two months!

Blue-Gray Gnatcatcher Population

Despite not having a specific population listed on their IUCN Red List of Threatened Species page, this bird is thought to be of Least Concern. Furthermore, its numbers are estimated to be on the rise.

 

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