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Stelis montana is a cuckoo bee that sometimes invades nests. Both Stelis and Sapyga larvae spin a cocoon and develop in the Osmia nest. [4] Several parasitic wasps attack mason bees by piercing the larva in the nest and inserting eggs into the body; the wasp larvae consume the bee larva/pupa.
A female blue bottle fly lays her eggs where she feeds, usually in decaying meat, garbage, or feces. Pale whitish larvae, commonly called maggots, soon hatch from the eggs and immediately begin feeding on carcasses of dead animals and on the decomposing matter where they were hatched. [17] After a few days of feeding, they are fully grown.
The common cuckoo is an obligate brood parasite; it lays its eggs in the nests of other birds. Hatched cuckoo chicks may push host eggs out of the nest or be raised alongside the host's chicks. [17] A female may visit up to 50 nests during a breeding season. Common cuckoos first breed at the age of two years. [2]
Commonly known as cuckoo wasps or emerald wasps, the hymenopteran family Chrysididae is a very large cosmopolitan group (over 3000 described species) of parasitoid or kleptoparasitic wasps, often highly sculptured, [1] with brilliant metallic colors created by structural coloration. [2]
The Nidulariaceae ('nidulus' - small nest) are a family of fungi in the order Agaricales. Commonly known as the bird's nest fungi , their fruiting bodies resemble tiny egg-filled birds' nests. As they are saprobic , feeding on decomposing organic matter , they are often seen growing on decaying wood and in soils enriched with wood chips or bark ...
Blue-headed vireos have a low nesting success rate, with about 10–30% of hatchlings surviving. [3] Common predators of the blue-headed vireo eggs and chicks include blue jays, crows, and squirrels. Often, when a nest is attacked by a blue jay, the male and female will execute coordinated attacks on the approaching predator.
Bird nests are vulnerable to egg predation, especially for those such as eider ducks which nest on the ground. In response to the robbing of eggs from eider duck nests, half the individuals started a fresh clutch of eggs in a new nest; they always avoided the area around the robbed nest. [4]
The bird moves away from the nest site and crouches on the ground so as to appear to be sitting at a nonexistent nest and allows the predator to approach closely before escaping. [ 13 ] [ 18 ] [ 30 ] Another display seen in plovers, [ 13 ] as well as some passerine birds, [ 14 ] [ 15 ] is the rodent run , in which the nesting bird ruffles its ...