Larus atricilla

bill length

• Symonds and Tattersall, 2010: 38.9 mm (adult, mean)

body mass

• Symonds and Tattersall, 2010: 325 g (adult, mean)

range midpoint latitude

• Symonds and Tattersall, 2010: 28.22522523 degrees

tarsometatarsus + middle toe length

• Symonds and Tattersall, 2010: 82 mm (adult, mean)

temperature at range midpoint latitude

• Symonds and Tattersall, 2010: 24.06 degrees celsius (min)