Red: Alfonse, Ike, 2 Athena, Seliph, Masked Marth, Ryoma, 3 Luke, Eliwood, Celica
Blue: Sharena, Camus, Summer Robin, Clive, 2 Spring Xander, Hinoka, Valter, Ninian, Nowi
Green: Anna, Brave Ike, Summer Tiki, Camilla, Julia, Soren, Spring Camilla
Colorless: Jeorge, 2 Klein, Rebecca, Takumi, Lucius, Mist
Total: 37
I also have enough feathers to five star two more heroes.