Larus marinus, L. argentatus,    gullresize.jpg (8421 bytes)
 L. delawarensis

Increase of 11% per year in Quebec due to human food sources

Invasive effect

Competes for food

Competes with common tern for nesting habitat

Can predate bird eggs & chicks

Droppings decrease vegetation


Monitor common tern population for decrease

Institute control program if terns in trouble