I have birds feathers to extracts its DNA and determine its gender through PCR analysis, but i have a problem how to identify species from feather morphology color etc?
For north america tou can use this website: https://www.fws.gov/lab/featheratlas/idtool.php?button=Get+Started+with+Feather+Identification%21. For europe you can use this book: https://www.lynxeds.com/product/feathers-identification-bird-conservation.