Printer friendly

What does RCKI stand for?

RCKI stands for Ruby-Crowned Kinglet (Regulus calendula bird species)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

Samples in periodicals archive:

She had her trusty Sibley Field Guide, the go-to-manual for many "twitchers" who want to be sure they're not mistaking a golden-crowned kinglet for a ruby-crowned kinglet.
In descending order, these were dark-eyed junco (Junco hyemalis), pygmy nuthatch (Sitta pygmaea), western bluebird (Sialia mexicana), white-breasted nuthatch (Sitta carolinensis), mountain chickadee (Poecile gambeli), ruby-crowned kinglet (Regulus calendula), Steller's jay (Cyanocitta stelleri), hairy woodpecker (Picoides villosus), and brown creeper (Certhia americana).