https://scholarworks.sjsu.edu/faculty_rsca/6646/
"The First GPS Observation of a Western Gull (Larus occidentalis) Ridin" by Megan A. Cimino,...
Gulls have a flexible diet allowing them to forage both at-sea and on land with prior research showing Western Gulls (Larus occidentalis) forage more on land...
the firstof awestern gulllarus occidentalisgps