If you are in possession of a genuine World War Two-era Walther P38 pistol with the markings you describe, a bird with outstretched wings, whether engraved into the metal of the slide or carved into the wood of the grips, then you are very likely looking at a pistol that belonged to an SS officer or NAZI party official. If the marking you describe is inside of a circle, centered directly under the "bird" with outstretched wings, it is probably the swastika. The universally- recognized symbol of NAZI Germany, which was in power from 1933 to 1945. Such a firearm, if it is authenticate to be an original would be a considerable collectors' item in high demand.
Depending on the species, a dragon's wings resemble a bat's or an eagle's.
The butterfly you are referring to is likely the "Malachite butterfly" (Siproeta stelenes). It has large green wings with black edges and white markings that resemble leaves. These butterflies are found in tropical and subtropical regions of the Americas.
There are many different types of butterflies. They are usually identified by their colors and by the markings on their wings.
The cabbage white butterfly wings are typically white with black markings near the tips. The undersides of their wings are more pale and may have a yellowish tint.
The bald eagle A robin weighs about 4 oz.; a bald eagle about 3 lbs. I don't think anyone thinks a robin and a bald eagle look alike, presumably the questioner is referring to some white markings and not to pure white areas. As robins are members of the thrush family, the questioner is probably looking for a type of thrush, although non-birders may think mockingbirds resemble robins. In this vein, some may think finches resemble robins, too; though they are much smaller, they do have great variation in markings. Or perhaps the red-breasted nuthatch is the sought-after avian; in coloration, it bears the closest resemblance to the robin.
A blood eagle is a method of Viking ritual extraction, in which the ribs are opened and the lungs pulled out and arranged to resemble wings.
No, it is seasonally dimorphic. In the dry season, it has the orange colouration you describe. The wet season form has blue wings with some small orange spots close to the trailing edge of the wings.
Spider wasps have curled antennae and black wings but can also have different color markings such as red or yellow . The female spider wasp will hunt spiders to feed it's larvae.
A baby grasshopper is called a nymph. Nymphs resemble adult grasshoppers but are smaller and lack fully developed wings. They undergo a series of molts before reaching adulthood, during which they grow in size and develop their wings.
Snowy owls have white plumage with some black markings, especially on their wings and tail. They have bright yellow eyes and a distinctive round head. Their coloration helps them blend into their snowy Arctic habitat.
A Sparrow varies between black and an earthy brown tone.
This is most likely a crane fly. They resemble a wasp. Crane flies do not sting or bite and pose no harm to humans.