Fig. 4From: Adaptation and constraint shape the evolution of growth patterns in passerine birds across the globeGrowth rates of passerine nestlings in relation to latitude, expressed as geographic bands delimited by the Tropic of Capricorn (23.5°S) and Tropic of Cancer (23.5°N). “Southern” means south of 23.5°S, “Northern” means north of 23.5°N, while “Tropical” means between the two Tropics. For statistics, see Tables S10–S12 in Additional File 1Back to article page