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Wing clipping. Wing clipping is the process of trimming a bird's primary wing feathers or remiges so that it is not fully flight-capable, until it moults, sheds the cut feathers and grows new ones. This procedure is usually carried out by avian veterinarians, breeders, or the bird's owners, and primarily on pet birds like parrots.
Eyespot (mimicry) Many butterflies, such as this gladeye bushbrown (Mycalesis patnia), have eyespots on their wings. An eyespot (sometimes ocellus) is an eye -like marking. They are found in butterflies, reptiles, cats, birds and fish. Eyespots could be explained in at least three different ways.
Müllerian mimicry was first identified in tropical butterflies that shared colourful wing patterns, but it is found in many groups of insects such as bumblebees, and other animals such as poison frogs and coral snakes. The mimicry need not be visual; for example, many snakes share auditory warning signals.
Its wings feature an orange and black pattern, and over most of its range it is a Müllerian mimic [4] with the monarch butterfly (Danaus plexippus).The viceroy's wingspan is between 53 and 81 mm (2.1 and 3.2 in). [5]
Its wings feature an easily recognizable black, orange, and white pattern, with a wingspan of 8.9–10.2 cm (3.5–4.0 in). [10] A Müllerian mimic, the viceroy butterfly, is similar in color and pattern, but is markedly smaller and has an extra black stripe across each hindwing.
Wing structure and colouration often vary with morphs, such as in the aphids, migratory phases of locusts and polymorphic butterflies. At rest, the wings may be held flat, or folded a number of times along specific patterns; most typically, it is the hindwings which are folded, but in a few groups such as the vespid wasps, it is the forewings.
Owl butterfly. The owl butterflies are species of the genus Caligo and are known for their huge eyespots, which resemble owls ' eyes. They are found in the rainforests and secondary forests of Mexico, Central and South America. Owl butterflies are very large, 65–200 mm (2.6–7.9 in), and fly only a few meters at a time, so avian predators ...
Ornithoptera priamus is sexually dimorphic. Male: The upperside forewings are velvety black. There is a green (most races) subcostal stripe and a green (most subspecies) marginal stripe bordering the termen, tormen and dorsum of the wing. The sex brand is black and longish. The underside of the forewing is black.