Whatbird.com

Hi there.  I have a kind of bird near my house (out in the country, near ponds and swamps, next to a forest, about 20 miles inland from the beach) that I hear but never can see.  I think they might be mating right now (Oct.), as they seem to be calling to each other quite often throughout the day.  I can't tell if they are ...

In this age of computers, I'm wondering if there is any software that will help me try to match a bird song or call.  What I'm looking for is a CD or on-line site, like the whatbird.com songs & sounds software, that will offer an interactive option of ''sounds like...'' calls. As an example:  I live in east-central Alabama, so we ...