Fiddler crab 9 subgenera: Fiddler crabs are occasionally kept as pets. The fiddler crabs sold in pet stores generally come from brackish water lagoons. Because they live in lower salinity water, pet stores may call them fresh-water crabs, but they cannot survive indefinitely in fresh water. Fiddler crab A fiddler crab, sometimes known as a "calling crab", may be any of approximately 100 species of semi-terrestrial marine crabs which make up the genus Uca. As members of the family Ocypodidae, fiddler crabs are most closely related to the ghost crabs of the genus "Ocypode". This entire group is composed of small crabs
Hermit thrush Hermit thrush The hermit thrush ("Catharus guttatus") is a medium-sized North American thrush. It is not very closely related to the other North American migrant species of "Catharus", but rather to the Mexican russet nightingale-thrush. The specific name "guttatus" is Latin for "spotted". This species measures in length, spans across the wings and weighs . Among standard measurements, the wing chord is , the bill is and the tarsus is . It is more compact and stockier than other North American "Catharus" thrushes, with relatively longer wings. The hermit thrush has the white-dark-white underwing pattern characteristic of "Catharus" thrushes. Adults