Volume 47, No. 1
Volumes > 38 (2010-->) Volumes 28-37 (2000-09) Volumes 18-27 (1990-99) Volumes 5-17 (1978-89)
Quick Search by author or article title:
Key words: Hawai'i, Barn Owl, Tyto alba, seabird, depredation, introduced predator
The Barn Owl Tyto alba was introduced to the Hawaiian Islands in the late 1950s as a biological control for rats Rattus spp. and has since become common throughout the main Hawaiian Islands. Herein, we address the impact on Hawaiian seabirds by summarizing the number of seabird depredations recorded in the database of the Kaua‘i Endangered Seabird Recovery Project. Data were collected on Kaua‘i and the neighboring islets of Lehua and Moku‘ae‘ae between January 2011 and October 2018 as part of ongoing seabird survey work; 379 Barn Owl depredations were recorded of eight seabird species, the most common of which were Wedge-tailed Shearwater Ardenna pacifica, Black Noddy Anous minutus, and Bulwer's Petrel Bulweria bulwerii. Included were 21 depredations on federally listed Newell's Shearwater Puffinus newelli and Hawaiian Petrel Pterodroma sandwichensis. Most depredations were on adult birds. The effectiveness of Barn Owl control was also evident, with depredations on Lehua Islet decreasing significantly after dedicated control operations were initiated. Barn Owl control should be considered as an integral part of all Hawaiian seabird management programs.
AU, S. & SWEDBERG, G. 1966. A progress report on the introduction of the Barn owl (Tyto alba pratincela) to the island of Kaua‘i. Elepaio 26: 58-60.
BERGER, A.J. 1981. Hawaiian Birdlife, Second Edition. Honolulu, HI: University Press of Hawaii.
BYRD, G.V. & TELFER, T.C. 1980. Barn Owls prey on birds in Hawaii. Elepaio 41: 35-36.
BYRD, G.V. & ZEILLEMAKER, C.F. 1981. Seabirds of Kilauea Point, Kauai Island, Hawaii. Elepaio 41: 67-70.
CROXALL, J.P., BUTCHART, S.H.M., LASCELLES, B. ET AL. 2012. Seabird conservation status, threats and priority actions: A global assessment. Bird Conservation International 22: 1-34.
EIJZENGA, H. & PRESTON, D.J. 2008. Inventory of seabirds, plants, and arthropods on twenty offshore islets in the main Hawaiian Islands. Bishop Museum Technical Report No. 43. Bishop Museum Hawai‘i Biological Survey. Honolulu, HI: Bishop Museum Press.
HARPER, G.A. 2007. Detecting predation of a burrow-nesting seabird by two introduced predators, using stable isotopes, dietary analysis and experimental removals. Wildlife Research 34: 443-453.
DEL HOYO, J., ELLIOTT, A. & SARGATAL, J. 1999. Handbook of the Birds of the World. Vol. 5 - Barn-owls to Hummingbirds. Barcelona, Spain: Lynx Edicions.
IMBER, M.J., TAYLOR, G.A., GRANT, A.D. & MUNN, A. 1994. Chatham Island Taiko Pterodroma magentae management and research, 1987-1993: Predator control, productivity and breeding biology. Notornis 41: 61-68.
JOHNSTON, R.B., BETTANY, S.M., OGLE, R.M., AIKMAN, H.A., TAYLOR, G.A. & IMBER, M.J. 2003. Breeding and fledging behaviour of the Chatham Taiko (Magenta Petrel) Pterodroma magentae, and predator activity at burrows. Marine Ornithology 31: 193-197.
LEPAGE, D. 2018. Avibase - The World Bird Database. [Available online at https://avibase.bsc-eoc.org/avibase.jsp?lang=EN Accessed 10 Nov 2018.]
PYLE, R.L. & PYLE, P. 2017. The Birds of the Hawaiian Islands: Occurrence, History, Distribution, and Status. Version 2. Honolulu, HI: B.P. Bishop Museum.
RAINE, A.F., BOONE, M., McKOWN, M. & HOLMES, N. 2017a. The breeding phenology and distribution of the Band-rumped Storm-petrel Oceanodroma castro on Kaua‘i and Lehua Islet, Hawaiian Islands. Marine Ornithology 45: 73-82.
RAINE, A.F., HOLMES, N.D., TRAVERS, M., COOPER, B.A. & DAY, R.H. 2017b. Declining population trends of Hawaiian Petrel and Newell's Shearwater on the island of Kaua‘i, Hawaii, USA. The Condor 119: 405-415.
SPATZ, D.R., NEWTON, K.M., HEINZ, R. ET AL. 2014. The biogeography of globally threatened seabirds and island conservation opportunities. Conservation Biology 28: 1282-1290.
THOMSEN, S.K., MAZURKIEWICZ, D.M., STANLEY, T.R. & GREEN, D.J. 2018. El Nino/Southern Oscillation-driven rainfall pulse amplifies predation by owls on seabirds via apparent competition with mice. Proceedings of the Royal Society B 285: 20181161.
TOMICH, P.Q. 1962. Notes on the Barn Owl in Hawai‘i. Elepaio 23: 16-17.
TOWNS, D.R., BYRD, G.V., JONES, H.P., RAUZON, M.J., RUSSELL, J.C. & WILCOX, C. 2012. Impacts of introduced predators on seabirds. In: MULDER, C.P.H., ANDERSON, W.B., TOWNS, D.R. & BELLINGHAM, P.J. (Eds.) Seabird Islands: Ecology, Invasion, and Restoration. Oxford, UK: Oxford University Press.
VANDERWERF, E.A., WOOD, K.R., SWENSON, C., LeGRANDE, M., EIJZENGA, H. & WALKER R.L. 2007. Avifauna of Lehua Islet, Hawai‘i: Conservation value and management needs. Pacific Science 61: 39-52.
VELARDE, E., AVILA-FLORES, R. & MEDELLÍN, R.A. 2007. Endemic and introduced vertebrates in the diet of the Barn Owl (Tyto alba) on two islands in the Gulf of California, Mexico. The Southwestern Naturalist 52: 284-290.
WALTHER, M. & HUME, J.P. 2016. Extinct Birds of Hawai‘i. Honolulu, HI: Mutual Publishing.