vintage bird sketch on tree branch - detailed wood engraving style

vintage bird sketch tree branch wood engraving style detailed character illustrations flickr dark gray rtx high quality artwork nature drawing retro engraved ornithology art design lover artistic antique classic aesthetic woodcut species inspiration decor birdwatching print nightingale standing academia halloween outline clipart features silhouette black white scientific entomology theme presented simple clean line isolated background providing stylized effect isometric view