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Close-up of wing of the citrus swallowtail, Papilio demodocus, with the letter 'C' drawn in scales. Photograph by Muhammad Mahdi Karim. The Butterfly Alphabet is a photographic artwork by the Norwegian naturalist Kjell Bloch Sandved.
The wings are moved by the rapid muscular contraction and expansion of the thorax. [11] The wings arise from the meso- and meta-thoracic segments and are similar in size in the basal groups. In more derived groups, the meso-thoracic wings are larger with more powerful musculature at their bases and more rigid vein structures on the costal edge. [7]
Adults exhibit bright wing color patterns which signal their distastefulness to potential predators. Brought to the forefront of scientific attention by Victorian naturalists, these butterflies exhibit a striking diversity and mimicry , both amongst themselves and with species in other groups of butterflies and moths.
The caterpillars are white with black spots and have numerous black spikes along their body. Adult butterflies are monomorphic of medium size with long wings. On the dorsal side, the wings are black with narrow white and yellow stripes, with a similar pattern on the ventral side, but paler and with red spots.
Small birds often fly long distances using a technique in which short bursts of flapping are alternated with intervals in which the wings are folded against the body. This is a flight pattern known as "bounding" or "flap-bounding" flight. [7] When the bird's wings are folded, its trajectory is primarily ballistic, with a small amount of body ...
Officials have positively identified the remains of a girl whose body was found hidden in brush under a plastic tarp in 1973, Pennsylvania authorities said this week. The remains belong to Ruth ...
The 26-year-old Buffalo Bills safety shares important lessons from his 2023 health scare.
Using data from a long-term U.S. survey, it found that newly diagnosed dementia patients are far more likely to act, noting that 25% of respondents sought financial help from children, compared to ...