These Panama links are supplied thanks to my Tia Carmen down in Gamboa near the canal in Panama!
Gracias Tia para estos links!

Panama IPAT
http://www.ipat.gob.pa/

For Bird watchers
http://www.panamainfo.com/espanol/attractions/principal/birdwatching.shtml

Places to stay.....
http://www.panamainfo.com/espanol/hotels/principal/natureLodges.shtml

Summit Golf Panama
http://www.summitgolfpanama.com/

Turismo Ecologico
http://www.ipat.gob.pa/productos/eco.html

Contadora
http://www.telesoftpanama.com/promocion/

All about Panama
http://travlang.links2go.com/topic/Panama

Panama Canal Society of Florida
http://www.pancanalsociety.org/