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Table 1 House sparrow growth parameters in different studies estimated using non-linear least squares.

From: Food supplements increase adult tarsus length, but not growth rate, in an island population of house sparrows (Passer domesticus)

Reference:   A K
Dunn (1975)§   25.0 0.393
Schifferli (1980)§ female 23.8 0.425
  male 24.8 0.443
This study female (138) 23.0 ± 0.48 0.417 ± 0.02
  Male (123) 24.1 ± 0.47 0.434 ± 0.02
  1. A = asymptotic mass (g) ± SE, K = growth rate ± SE, sample size is given in parentheses. § Data taken from Starck and Ricklefs [15]; sample sizes and standard errors were not reported.