The unidentified girl was in good condition at a hospital.
Bear sightings are fairly common in the high-desert area, though it's not their typical habitat. CPW officials say they are highly confident this is the bear involved in the attack, but are awaiting lab results for final confirmation.
The victim's mother told CPW officers she heard screaming around 2:30 a.m. on Sunday.
Wildlife officers monitored the area and saw a bear walking up to a residence approximately a half-mile away from the location of the attack.
The girl suffered serious injuries. He said she received 77 external stitches and more internally. The child heard the early morning noise outside the window, and chose to check out girl thought it was a dog.
The girl's father, Duane Cyr, identified her as Kimberly Cyr, 5.
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CPW told CBS Denver Sunday afternoon they have set up three traps in the neighborhood which will be left overnight.
Porras says warming temperatures on Sunday made the hounds' ability to track the bear less effective.
The last human death from a bear interaction in Colorado was in 2009, according to CPW.
The attack happened in the early hours of Sunday morning, in East Orchard Mesa.
Romatzke says all Coloradans need to be bear aware by adopting smart habits such as keeping tight lids on outdoor trash cans and reporting any perceived risky bear activity to wildlife officers.
Colorado Parks and Wildlife officers said they are actively tracking the bear with the aid of federal wildlife services personnel.