Larus ichthyatus

bill length

• Symonds and Tattersall, 2010: 55.8 mm (adult, mean)

body mass

• Symonds and Tattersall, 2010: 1407 g (adult, mean)

range midpoint latitude

• Symonds and Tattersall, 2010: 44.36936937 degrees

tarsometatarsus + middle toe length

• Symonds and Tattersall, 2010: 128 mm (adult, mean)

temperature at range midpoint latitude

• Symonds and Tattersall, 2010: -1.42 degrees celsius (min)