h2 Basic Description
The Ruby-crowned Kinglet, scientifically known as Regulus calendula, is a small passerine bird belonging to the family Regulidae. Adults measure about 10 centimeters in length and weigh approximately 5-7 grams. They have olive-green feathers on their backs and wings with a white underside, two white wing bars, and a distinct ruby-red crown patch that is not always visible.
h2 Where To Find This Bird
Ruby-crowned Kinglets are migratory birds found throughout North America during breeding season from Alaska to Newfoundland southward towards Mexico City. During winter months, they migrate further south along the Pacific Coast of California down to Central America.
Ruby-crowned Kinglets prefer coniferous forests or mixed woodlands that contain tall trees with dense foliage for nesting purposes. They can also be found among deciduous trees such as oaks and maples in parks and residential areas.
These tiny birds feed mainly on insects such as ants, beetles, grasshoppers, flies, moths caterpillars while foraging through branches or foliage looking for food. They may supplement their diet with fruits or tree sap when insect prey is scarce.
h2 Cool Facts
One cool fact about Ruby-crowned Kinglets is that despite their small size they are known for having high-energy levels! In one study conducted by ornithologists in Colorado it was discovered that during daylight hours these little birds burn up calories at an astonishing rate equaling roughly twice their body mass each day!
Another fascinating trait of this species is its ability to produce various vocalizations similar to warblers – including trills whistles which add complexity excitement into forest soundscapes! Additionally researchers recently discovered male rubies perform duets together singing alternating parts raising volume pitch synchronously creating unique chorus unlike any other bird song repertoire observed before making them especially interesting subject scientific inquiry intrigue among bird enthusiasts alike.
In conclusion, the Ruby-crowned Kinglet is a fascinating migratory species of bird that can be found flitting through North American forests and woodlands. Though they may appear small and unassuming to some, their high-energy levels and unique vocalizations make them an exciting subject for ornithologists and birdwatchers alike.