Cassell's natural history London Cassell & Company, Limited, 1896 animals nomenclature leopard seal animal behavior hydrurga leptonyx seal leopard seal, A serene coastal scene features a group of seals lounging on a rocky shore, showcasing their spotted fur and relaxed postures. In the background, various seabirds soar above a distant landscape, where more seals can be spotted among the rocks and tide pools. The gentle waves provide a tranquil atmosphere, highlighting the natural beauty of this marine habitat, while starfish and other small marine life are visible near the water's edge.