- A common European gull (Xema ridibundus).
- An American gull (Leucophaeus atricilla); in summer the head is nearly black, the back slate color, and the five outer primaries black.
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for laughing gull in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)