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
Long-billed hermit Long-billed hermit The long-billed hermit ("Phaethornis longirostris") is a large hummingbird that is a resident breeder from central Mexico south to northwestern Colombia, extreme western Venezuela and western Ecuador. This species was formerly known as the western long-tailed hermit or just long-tailed hermit, but was renamed to highlight its unusual bill. The taxonomy of this group is complicated, with similar hermit populations from both sides of the Andes being originally named as one species, the long-tailed hermit, "P. superciliosus". The latter name in now reserved for the species east of the cordillera. There is potential separation of the paler, greyer,