King, K. A., Keith, J. O., Mitchell, C. A., and Keirans, J. E., 1977, Ticks as a factor in nest desertion of California brown pelicans: The Condor, v. 79, no. 4, p. 507-509.
Abstract:
Keywords:
Ornithodoros-denmarki, Pelecanus-occidentalis, distribution, nesting, success