TY - JOUR T1 - The shapes of birds鈥� eggs: evolutionary constraints and adaptations JO - The American Naturalist PY - 2021/10/26 AU - Montgomerie R AU - Hemmings N AU - Thompson JE AU - Birkhead TR ED - DO - DOI: 10.1086/716928 PB - University of Chicago Press VL - 198 IS - 6 SP - E215 EP - E231 Y2 - 2025/11/13 ER -