species species species species
life-history trait BLBR LSGO SESA LALO
nutrient source herbaceous herbaceous insect insect, seed
resource allocation endogenous flexible exogenous exogenous
clutch investment variable; 2–6 eggs variable; 2–6 eggs invariant; 4 eggs variable; 2–8 eggs
chick growth precocial precocial precocial altricial