Scared? Picky? Just not hungry?

[judiilana]

Mr. Kaa Slithers is a voracious eater, and until now has been consistently eating about 3 mice every 7 days in his feeding tub, then looking for more. After posting on here, we decided to introduce a rat this week. Initially he recoiled at the rat, and it looked like he was scared of it. But after a minute, he did show some interest, sniffing out the rat etc.... ultimately he just wanted the heck outta there. We tried putting him back in the feeding tub one more time (video below) but again he just wanted out. Do you think he's scared? Picky (used to only mice)? Just not hungry? Do we keep the rat for a week and try again or do we give him mice again now?

Some info:
Kaa is 3 years old, 3 foot long, and 783 grams
The rat weighs 73 grams.
http://www.youtube.com/watch?v=YMlYE64whfk