By weight:
* Elk (Cervus canadensis): Male elk can weigh up to 1,000 pounds, making them the heaviest land mammal in Colorado.
By length:
* Bull Snake (Pituophis catenifer): This non-venomous snake can reach lengths of over 6 feet, making it the longest snake in Colorado.
By height:
* Moose (Alces alces): While elk are heavier, moose stand taller, reaching up to 7 feet at the shoulder.
By wingspan:
* California Condor (Gymnogyps californianus): While they are not native to Colorado, they are occasionally sighted migrating through. These magnificent birds have a wingspan of up to 9.5 feet.
By overall size:
* Moose: While elk are heavier, the moose, with its towering height and imposing antlers, is likely the most impressive in terms of overall size.
It's important to remember that these are just some of the largest animals in Colorado. There are many other fascinating species that inhabit the state, each with its own unique characteristics and importance to the ecosystem.