The
Guadalupe Murrelet is a "new" species, with the
Scripp's and Guadalupe Murrelet's
recently split (2012) from what was formerly considered one species, the
Xantus's Murrelet. They are a very uncommon bird, only found nesting
on a handful of islands from Guadalupe Island in the north, to the San
Benito Islands in the south. Introduced predators such as rats have
devastated some former breeding colonies.
Habitat: Found on a few select islands off the
Pacific Coast, using locations with protected nesting sites, such as rocky
crevices or vegetative cover. Outside of the breeding season,
typically found far from the mainland, sometimes close to nesting islands,
but often far out to sea.
Diet: Feeds mostly small fish, but will also feed
on small crustaceans and other small marine creatures.
Behavior: Forages by diving and swimming under the
water in search of food items. Doesn't feed in flocks or by itself, but is
almost always found foraging in pairs.
Nesting: The Guadalupe Murrelet doesn't build a
nest. The female lays 2 eggs directly on the ground, typically in a rocky
crevice, under a bush, or in another protected area. Both parents help
to incubate the eggs. Hatchlings typically leave the nest within a day or so
after hatching, often making a perilous leap into the water below.
Once in the water, the parents reunite with the young and feed and tend to
them.
Song: Call of the Guadalupe Murrelet is a rattling
trill.
Migration: Breeds on a few islands from Guadalupe
Island in the north to San Benito Islands in the south. Non-breeding birds disperse, with most found off the
California or northern Mexican coast.
Conservation Status: Populations have been in a
long-term decline. The species has a very small breeding range, and
many former breeding colonies have disappeared, largely due to introduced
predators on nesting islands, such as rats.
The IUCN lists the
Xantus's Murrelet as a "Vulnerable" species. (no separate information on
Guadalupe Murrelet available at the time this page was created).