Head and body length: 13 - 14 cm(5.1 - 5.5 inches), wingspan: 16 - 18 cm(6.3 - 7.1 inches)
17 - 20 g(0.6 - 0.7 oz)
Estimated at 9,000 - 16,000
Found on at least 53 of the 750 offshore islands of the Falkland Islands
FIQQ 1ZZ, Falkland Islands (Islas Malvinas)
Rats! Life would certainly be better without them for Cobb's wren. The little songbird builds a domed nest of grass, liberally lined with feathers from other birds, in tussac grass pedestals or cracks among beach rocks. It lays eggs between October and December, and dines year-round on crickets in the grass and invertebrates found in the dead kelp that accumulates on beaches. Living low to the ground, it slips among boulders like a mouse. But when rats arrive, they forage in the same habitat; this means trouble, as rats find the wren easy pickings. Between rats, feral cats, an loss of tussac grass to overgrazing and fire, it's a tough life indeed for Cobb's wren.