oiled Common MurreMore than 100 oiled birds have been brought in to International Bird Rescue Research Center (IBRRC) for care after being coated with oil in a natural seep event along the Southern California coast. The birds, whose insulation and waterproofing are affected by the oil, have begun to flood the Los Angeles Oiled Bird Center, which is managed by IBRRC – 64 of them since February 1. Natural oil seeps are common, but stirred up by winter storms they can be deadly for seabirds.
So far during this event, IBRRC specialists have treated Western and Clark's Grebes; Common Murres; Common, Pacific, and Red-throated Loons; California and Western Gulls; and a Northern Fulmar.
Oil seeps occur naturally all along the coast of California, most notably in the Santa Barbara Channel near Coal Oil Point, which emits between 5,280 and 6,600 gallons of oil per day. Oil is particularly harmful to diving birds that spend time on the surface where the oil sits. It interferes with the birds' ability to maintain their body temperature by impairing the natural insulation and waterproofing properties of their feathers, which can result in hypothermia, as their metabolisms try to combat the cold. Oiled birds often beach themselves in this weakened state, and become easy prey for other animals.
While high profile events like the Gulf Spill grab all the headlines, small spills, natural seeps, algal blooms, and even extreme weather can impact birds, keeping IBRRC staff and volunteers at the organization's two rehabilitation clinics busy 365 days per year.
IBRRC knows, from 40 years of experience, to anticipate a large influx of oiled birds during the winter months. This year has been a particularly challenging one, with severe storms moving seep oil around at a time when large numbers of migratory birds are feeding off California's coast.