Pharaoh cuttlefish they can show a mottled white and brown color, with a center circle of brown. The mechanism for color is the same in the Pharaoh cuttlefish as it is in other cuttlefish. This colour-changing function is produced by groups of red, yellow, brown, and black pigmented chromatophores above a layer of reflective blue and green tinted iridophores and leucophores, with up to 200 of these specialized pigment cells per square millimeter. These sacs of color are controlled by rings of muscle around the sac. The cuttlefish expands and contracts these muscle rings in order to show different colors. It is
Black-and-yellow phainoptila the air, though not often. Usually found alone or pairs, forms loose flocks after breeding season. Call is a high, sharp, thin "tsit" or "tseep", suggesting a much smaller bird. Appears to not sing. The nest is a compact, bulky, cup of green moss, thin stems and fern fronds. Found 5–13 ft. (1.5–4 m) up in a dense shrup or sapling. Lays 2 spotted, greyish-white eggs. Nesting occurs from April to May. Black-and-yellow phainoptila The black-and-yellow phainoptila or black-and-yellow silky-flycatcher ("Phainoptila melanoxantha") is a species of bird in the family Ptiliogonatidae. It is monotypic within the genus Phainoptila. It is