Top 2 alternative sites to parrot-finches.com
Some websites with similar theme to parrot-finches.com include:
Lavender Waxbills - gender determination from calls
Determine the gender of Lavender waxbills simply from their calls recorded here
Blue capped Waxbill - successful foster breeding, housing & feeding
Blue Capped Cordon Bleu Waxbill - successfully foster rear (breed), house and feed (plus sequential photos of chick development)