The Eastern Gartersnake has a yellowish chin and belly. This species can grow to over a metre in length... however they're harmless to humans. Their presence suggests a healthy ecological environment.
If the news from the recent tragedy in Newtown, Connecticut has you in a funk, consider performing small deeds to help raise you spirits.
As a treat, I've included an interesting birding link to the Boreal Songbird Initiative. It's a great site to explore! Within the site there is a fantastic birding checklist you can download by clicking here.