TY - JOUR T1 - Bill Redness Is Positively Associated with Reproduction and Survival in Male and Female Zebra Finches JO - PLoS ONE PY - 2012/07/12 AU - Simons MJP AU - Briga M AU - Koetsier E AU - Folkertsma R AU - Wubs MD AU - Dijkstra C AU - Verhulst S ED - Bolhuis JJ DO - DOI: 10.1371/journal.pone.0040721 VL - 7 IS - 7 SP - e40721 EP - e40721 Y2 - 2025/01/03 ER -