When winters are mild, they stay near the lakes. But when cold Canadian air masses plunge southward, gulls wander in search of open water. Small lakes can ice up quickly, but even the Great Lakes can freeze almost completely by mid-winter. When this happens, gulls head south in search of open water.
Why do seagulls migrate?
These migratory birds usually leave the higher latitudes in winter, and migrate to move from areas of low resources to areas of high resources, especially in search for food and nesting locations. … As the birds flock in the thousands, they are often fed by pilgrims who arrive to bathe in the river.
Where do sea gulls go in winter?
Generally, gulls breeding from Manitoba westward migrate to the Pacific coast and southward; those nesting east of Manitoba go to the Atlantic coast and southward. Franklin’s gull, which winters in South America, has one of the longest migration routes of any gull in Canada.
Do seagulls attack pigeons?
Seagulls in Rome are “returning” to their natural status as predators, hunting down rats, pigeons, and other smaller birds as the lack of humans on the streets mean no food scraps are to be found. … “They are catching mostly pigeons but also swallows and black birds.