A seagull eating a dead fish along a lake in Iceland, showcasing the bird's opportunistic feeding behavior in a natural setting

seagull dead fish lake iceland feeding scavenging nature wildlife bird behavior opportunistic feeder summer icelandic landscape aquatic bird scavenger natural scene outdoor exploration wildlife observation lake environment avian predator bird photography ecosystem nutrient cycling carrion lake shore bird watching natural habitat summer wildlife icelandic fauna feeding habits wild seagull lakeside