Natural history of Trinidad and Tobago hummingbirds to the primitive cave-dwelling oilbird (that uses sonar to fly in the dark) to the spectacularly beautiful scarlet ibis. The islands are within a few miles of Venezuela, and the species are therefore typical of tropical South America. However, the variety (although quite exceptional for such a small geographic area) is somewhat impoverished compared to the mainland, as would be expected with small islands. The resident breeding birds are augmented in the northern winter by migrants from North America. Tobago has only about half the number of bird species of Trinidad, but about 22 birds have been reported only
Coast Guard Air Station San Francisco Coast Guard Air Station San Francisco Coast Guard Air Station San Francisco is a United States Coast Guard Air Station located 13 miles south of downtown San Francisco, California at the San Francisco International Airport in an unincorporated area of San Mateo County. The air station sits adjacent to the airport which consists of its own ramp, one hangar an administration building and several other support structures. Coast Guard Air Station San Francisco (CGAS) located at the San Francisco International Airport is one of five air stations in the Eleventh Coast Guard District. Currently, Air Station San Francisco operates four