Fiddler crab a vital role in the preservation of wetland environments; by sifting through the sands, they aerate the substrate and prevent anaerobic conditions. Fiddler crabs live rather brief lives of no more than two years (up to three years in captivity). Male fiddler crabs use the major claw to perform a waving display as a form of female courtship. Females choose their mate based on claw size and also quality of the waving display. In many fiddler crab species, the female occupies the burrow of their mate while she lays her clutch of eggs. Research shows that the male major claw
Hermit warbler the hermit warbler eats a strict diet of insects and spiders, and can often be found hanging upside-down from the ends of conifer branches, like a chickadee, probing for food. Hermit warbler The hermit warbler ("Setophaga occidentalis") is a small perching bird. It is a species of New World warbler. Mature hermit warblers normally grow to be long. Hermit warblers are dark gray in coloration on top, and white below, and their flanks are streaked with black. The wings have two diagonal white wing bars. The majority of the hermit warbler's head is yellow, and males have a dark black