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An inaccurately rendered but striking golden eagle in battle with a red fox. Mammalian carnivores are potential competitors with golden eagles for food. Foxes may prey on the same species in a given area but, as they are occasionally hunted by the eagles and are mainly nocturnal, they tend to avoid direct conflicts.
A fully-grown golden eagle requires about 230 to 250 g (8.1 to 8.8 oz) of food per day but in the life of most eagles there are cycles of feast and famine, and eagles have been known to go without food for up to a week and then gorge on up to 900 g (2.0 lb) at one sitting.
In rare cases, other predators may kill a Eurasian eagle-owl. In Europe, there is one case of a white-tailed eagle killing an eagle-owl and there are at least four known incidents of eagle-owls being killed by golden eagles. [142] Also, an eagle-owl was found among the prey remains at a golden eagle eyrie in Mongolia. [159]
RSPB Scotland said it hopes the study will provide some reassurance to famers and crofters concerned about their livestock being hunted.
Golden eagles eat foxes at the third trophic level, so they are tertiary consumers. Decomposers The fungi on this tree feed on dead matter, converting it back to nutrients that primary producers can use.
The feral pigs on Santa Rosa, which themselves preyed on the foxes, were exterminated by the National Park Service in the early 1990s, which removed one of the golden eagle's food sources. The golden eagle then began to prey on the island fox population. Feral pigs on Santa Cruz Island and deer and elk on Santa Rosa Island were introduced ...
Golden eagles and bald eagles are about the same size. They are approximately 2.5 feet tall with a wingspan of about 6.5 feet, and weigh about ten pounds on average.
In certain biotopes, birds constitute the bulk of the diet of various carnivorans, e.g., of adult leopard seals that mostly prey on penguins, the Arctic fox living in coastal areas where colonies of murres, auks, gulls and other seabirds abound and stoats in New Zealand against whom flightless birds like the takahē and kiwi are defenseless.