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The slippery dick wrasse is a small fish that can reach a maximum length of 35 cm (14 in). [2] It has a thin, elongate body with a terminal mouth, and its body coloration has three phases during its life: The terminal phase is when the fish becomes a male, so the body coloration turns to green with two longitudinal dark stripes.
It has a spiky crest and long thin red bill with serrated edges. The male has a dark head with a green sheen, a white neck with a rusty breast, a black back, and white underparts. Adult females have a rusty head and a grayish body. Juveniles look similar to females, but lack the white collar and have smaller white wing patches.
The plumage is a cryptic mix of different shades of browns, grays, and black. The chest and sides vary from yellowish-white to rich tans. [9] The nape of the head is black, with three or four crossbars of deep buff or rufous. [5] The feet and toes, which are small and weak, are brownish gray to reddish brown. [9]
The body length is 63–75 cm (25–29.5 in). The adult is very distinctive in appearance with a mostly brown body with a white head like the bald eagle and large, powerful, black wings. The head, breast, and tail of African fish eagles are snow white, except for the featherless face, which is yellow. The eyes are dark brown in colour.
Juveniles have a browner plumage, which darkens into black as the bird ages Black phoebe (white-winged) The black phoebe is a medium-sized flycatcher, being 16 cm (6.3 in) in length and weighing 15 to 22 g (0.5 to 0.8 oz). [2] It has predominantly black plumage, with white on its belly and undertail coverts. The white forms an inverted "V" in ...
The bird has a black band on the inner wing, a black eye-mask, and an orange-yellow to orange-red bill. [8] The bill colour, pure white back and black wing bar distinguish this species from the red-billed tropicbird. The white-tailed tropicbird breeds on tropical islands, laying a single egg directly onto the ground or a cliff ledge.
The legs are short and strong, with large, webbed feet bearing strong and sharp claws for handling slippery fish. The smooth-coated otter is a relatively large otter species, weighing from 7–11 kg (15–24 lb) and measuring around 59–64 cm (23–25 in) in head-body length with a 37–43 cm (15–17 in) long tail.
The different species are generally dark brown (sometimes nearly black), or brown and white in colour, apart from the rufous-throated dipper, which is brown with a reddish-brown throat patch. Sizes range from 14–22 cm (5.5–8.7 in) in length and 40–90 g (1.4–3.2 oz) in weight, with males larger than females.