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[29] [33] They will also eat seed mixtures and suet placed on bird-tables, as well as left-overs. [28] [34] [35] The robin is even known to feed on small vertebrates (including fish and lizards) and carrion. [36] Male robins are very territorial and will fiercely attack other males and competitors that stray into their territories.
Flies, butterflies, moths, caterpillars, and beetles predominate in the food fed to the young birds. Flame robins fed a higher proportion of flying insects to their young at Nimmitabel than did scarlet robins, which may have been due to their later start to breeding. [27] Both parents participate in removing faecal sacs from the nest. [44]
The genus name Larvivora comes from the Neo-Latin larva meaning caterpillar and -vorus meaning eating (vorace to devour), and cyane is Latin for "dark-blue". [ 3 ] This bird is a migratory insectivorous species breeding in the eastern Palearctic from Siberia and northern Mongolia, northeastern China , Korea and across to Japan.
Butterflies need specific plants, called host plants, where they can lay their eggs and caterpillars hatch. Not all caterpillars will become butterflies, of course, because some are eaten by birds ...
This is lined with smeared mud and cushioned with fine grass or other soft materials. The American robin builds a new nest for each brood; in northern areas the nest for the first clutch will usually be located in an evergreen tree or shrub, while later broods are raised in deciduous trees. [16]
Unlike other robins, the rose robin does not return to the same branch while foraging. [6] Prey consists of a variety of spiders and insects, including caterpillars, wasps, bugs such as cicadas and chinch bugs, beetles such as jewel beetles, leaf beetles, leaf-eating beetles and weevils, flies and ants. [8]
The South Island robin is a small passerine, 10–18 cm in length and weighing around 35 g. North Island robins do resemble both females and juveniles of the South Island robins, as well as all the Stewart Island robins, which can sometimes make it difficult to distinguish between the three.
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