Perdido font

Perdido font (Scriptorium library) is available in OpenType, TrueType and PostScript (Type 1) formats for PC and Mac. You can buy and download the font online. Click on the font picture to buy the font.

Download Thunderbird™ font family - Linotype.com
Try and download the original Thunderbird™ font family from Linotype.com.
http://www.linotype.com/90334/thunderbird-family.html