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Impacts of depredation by Large-billed Crows Corvus macrorhynchos on the colony of Japanese Murrelets Synthliboramphus wumizusume at Eboshijima, Japan
Citation
KONGSURAKAN, P., NAKAHARA, T. & YAMAGUCHI, N.M. 2023. Impacts of depredation by Large-billed Crows Corvus macrorhynchos on the colony of Japanese Murrelets Synthliboramphus wumizusume at Eboshijima, Japan.
Marine Ornithology 51: 169
- 178
http://doi.org/10.5038/2074-1235.51.2.1530
Received 17 October 2022, accepted 07 April 2023
Date Published: 2023/10/15
Date Online: 2023/10/09
Key words: Japanese Murrelets, Synthliboramphus wumizusume, crow depredation, capture-mark-recapture, return-time (RET) model
Abstract
Eboshijima, Japan is a small island in the Tsushima Strait that hosts a small colony of Japanese Murrelet Synthliboramphus wumizusume, an endangered seabird that breeds in the warm Kuroshio Current region around Japan and South Korea. We conducted a study to investigate the effects of depredation by Large-billed Crows Corvus macrorhynchos on murrelets after discovering 29 carcasses and 50 eggshells depredated by crows in four survey plots at Eboshijima in 2022. Trail cameras captured crows during daylight hours from 06h59 to 16h45. To estimate the existing population of Japanese Murrelet and predict scenarios that demonstrate the effects of corvid depredation on the murrelet population, we used a return-time (RET) capture-mark-recapture model. We evaluated the murrelet population using the best-fitting RET model and the capture histories of 187 murrelets mist-netted on Eboshijima during 2013–2022. We then simulated 1 000 iterations of a 50-year population using scenarios based on the parameters obtained from the best-fitting model. Our simulations indicate that corvid depredation could lead to the extirpation of the murrelet population, with no individuals remaining within 17 years. However, by reducing the corvid depredation effect by 50%, the probability of extinction can be lowered to less than 50% over the next 50 years. Therefore, we recommend implementing a crow translocation or removal program to protect the Eboshijima murrelet population. Additionally, further research should be conducted to identify breeding and non-breeding individuals, as well as active nesting sites.
References
ANDERSON, D.R. & BURNHAM, K.P. 1999. Understanding information criteria for selection among capture-recapture or ring recovery models. Bird Study 46: S14–S21. doi:10.1080/00063659909477227
AUSTIN, J.L.O. & KURODA, N. 1953. The birds of Japan, their status and distribution. Bulletin of the Museum of Comparative Zoology at Harvard College 109: 277–637.
BEISSINGER, S.B. 1995. Population trends of the Marbled Murrelet projected from demographic analyses. In: RALPH C.J., HUNT G.L. JR., RAPHAEL M.G., PIATT J.F. (Eds). Ecology and Conservation of the Marbled Murrelet. General Technical Report PSW-GTR-152. Albany, USA: Pacific Southwest Research Station, Forest Service, US Department of Agriculture.
BIRDLIFE INTERNATIONAL. 2001. Threatened Birds of Asia: the BirdLife International Red Data Book. Cambridge, UK: BirdLife International.
BIRDLIFE INTERNATIONAL. 2018. Synthliboramphus wumizusume. The IUCN Red List of Threatened Species 2018: E.T22694899A132580332. Cambridge, UK: Birdlife International. doi:10.2305/IUCN.UK.2018- 2.RLTS.T22694899A132580332.EN
BIRDLIFE INTERNATIONAL. 2022a. Important Bird Areas Factsheet: Eboshijima Islet. Cambridge, UK: Birdlife International. [Accessed at http://datazone.birdlife.org/site/factsheet/15171 on 20 September 2022.]
BIRDLIFE INTERNATIONAL. 2022b. Species factsheet: Japanese Murrelet Synthliboramphus wumizusume. Cambridge, UK: Birdlife International. [Accessed at http://datazone.birdlife.org/species/factsheet/japanese-murrelet-synthliboramphus-wumizusume on 20 September 2022.]
LE BOHEC, C., GAUTHIER-CLERC, M., GRÉMILLET, D., PRADEL, R., BÉCHET, A., GENDNER, J.P. & LE MAHO, Y. 2007. Population dynamics in a long-lived seabird: I. Impact of breeding activity on survival and breeding probability in unbanded king penguins. Journal of Animal Ecology 1149–1160.
BURGAS, D., OVASKAINEN, O., BLANCHET, F.G. & BYHOLM, P. 2021. The ghost of the hawk: top predator shaping bird communities in space and time. Frontiers in Ecology and Evolution 9: 1–7. doi:10.3389/FEVO.2021.638039
BURNHAM, K.P., ANDERSON, D.R. & HUYVAERT, K.P. 2011. AIC model selection and multimodel inference in behavioral ecology: Some background, observations, and comparisons. Behavioral Ecology and Sociobiology 65: 23–35. doi:10.1007/S00265-010-1029-6
CARTER, H.R., ONO, K., FRIES, J.N. ET AL. 2002. Status and conservation of the Japanese Murrelet (Synthliboramphus wumizusume) in the Izu Islands, Japan. Journal of the Yamashina Institute for Ornithology 33: 61–87. doi:10.3312/JYIO1952.33.61
CHOI, C.Y. & NAM, H.Y. 2017. Threats to Murrelets in The Republic of Korea: Bycatch, Oil Pollution, and Invasive Predators. In: OTSUKI K., CARTER H. R., MINOWA Y. ET AL. (Eds.) Status and Monitoring of Rare and Threatened Japanese Crested Murrelet. Fukushima, Japan: Marine Bird Restoration Group.
CHOI, C.Y. & NAM, H.Y. 2015. Diet of Peregrine Falcons (Falco peregrinus) in Korea: Food items and seasonal changes. Journal of Raptor Research 49: 376–388. doi:10.3356/RAPT-49-04-376-388.1
CAYUELA, H., BESNARD, A., BONNAIRE, E., PERRET, H., RIVOALEN, J., MIAUD, C. & JOLY, P. 2014. To breed or not to breed: past reproductive status and environmental cues drive current breeding decisions in a long-lived amphibian. Oecologia 176: 107–116.
FITZPATRICK, J.W. & RODEWALD, A.D. 2016. Bird Conservation. In: LOVETTE I.J. & FITZPATRICK, J.W. (Eds.) Handbook of Bird Biology (3rd edition). West Sussex, UK: John Wiley & Sons.
FORYS, E.A., CAMPO, J.A., SILVA, E. & DOUGLASS, N.J. 2020. A comparison of 2 methods to deter fish crows from depredating seabird eggs. Wildlife Society Bulletin 44: 670–676. doi:10.1002/WSB.1139
GASTON, A.J. 1990. Population parameters of the Ancient Murrelet. The Condor 92: 998–1011.
GAUTHIER-CLERC, M., LE MAHO, Y., GENDNER, J. P., DURANT, J. & HANDRICH, Y. 2001. State-dependent decisions in long-term fasting king penguins, Aptenodytes patagonicus, during courtship and incubation. Animal Behaviour 62: 661–669.
GIUDICI, A., NAVARRO, J., JUSTE, C. & GONZÁLEZ-SOLÍS, J. 2010. Physiological ecology of breeders and sabbaticals in a pelagic seabird. Journal of Experimental Marine Biology and Ecology 389: 13–17.
IIDA, T. 2008. The first confirmation of the non-breeding habitat of Japanese Murrelets Synthliboramphus wumizusume. Ornithological Science 7: 163–165. doi:10.2326/1347-0558-7.2.163
JENOUVRIER, S. 2013. Impacts of climate change on avian populations. Global Change Biology 19: 2036–2057. doi:10.1111/GCB.12195
KARNOVSKY, N.J., MINOWA, Y., OTSUKI, K., CARTER, H.R. & NAKAMURA, Y. 2017. Assessing Avian Predators of Japanese Murrelets on Birojima. In: OTSUKI K., CARTER H.R., MINOWA Y. ET AL. (Eds.) Status and Monitoring of Rare and Threatened Japanese Crested Murrelet. Fukushima, Japan: Marine Bird Restoration Group.
KIM, D.W., KANG, C.W., KIM, H.J., KWON, Y.S. & PARK, J.Y. 2012. Breeding of the Japanese Murrelet Synthliboramphus wumizusume in South Korea. Forktail 28: 151–153.
KISSLING, M.L., LUKACS, P.M., GENDE, S.M. & LEWIS, S.B. 2015. Multi‐state mark–recapture model to estimate survival of a dispersed‐nesting seabird, the Kittlitz's Murrelet. The Journal of Wildlife Management 79: 20–30. doi:10.1002/JWMG.811
KURODA, N. 1923. The birds at Nishi Island lighthouse in Hwanghae Do, Korea (in Japanese). Tori 3: 309–314.
LESCROËL, A., DUGGER, K.M., BALLARD, G. & AINLEY, D.G. 2009. Effects of individual quality, reproductive success and environmental variability on survival of a long-lived seabird. Journal of Animal Ecology 78: 798–806. doi:10.1111/J.1365-2656.2009.01542.X
MACCARONE, A.D. 1992. Predation by Common Ravens on cliff-nesting Black-Legged Kittiwakes on Baccalieu Island, Newfoundland. Colonial Waterbirds 15: 253–256. doi:10.2307/1521463
MADDEN, C.F., ARROYO, B. & AMAR, A. 2015. A review of the impacts of corvids on bird productivity and abundance. Ibis 157: 1–16. doi:10.1111/IBI.12223
MARZLUFF, J.M. & NEATHERLIN, E. 2006. Corvid response to human settlements and campgrounds: Causes, consequences, and challenges for conservation. Biological Conservation 130: 301–314. doi:10.1016/J.BIOCON.2005.12.026
MASLO, B., SCHLACHER, T.A., WESTON, M.A. ET AL. 2016. Regional drivers of clutch loss reveal important trade-offs for beach-nesting birds. PeerJ 9: e2460. doi:10.7717/PEERJ.2460
MILLER, M.G.R., YAMAMOTO, Y., SATO, M. ET AL. 2019. At-sea distribution and habitat of breeding Japanese Murrelets Synthliboramphus wumizusume: implications for conservation management. Bird Conservation International 29: 370–385. doi:10.1017/S095927091800028X
NAGATA, H. & ONAGAMITSU, J. 1991. Rediscovery of a breeding population of the Japanese Murrelet Synthliboramphus wumizusume on Eboshi-jima Island in the Sea of Genkai, Kyushu. Strix 10: 259–262.
OKABE, H., CARTER, H.R., TAKEISHI, M., WHITWORTH, D.L. & OTSUKI, K. 2017. Nest monitoring and spotlight survey of Japanese Murrelets in 2012 and 2013 at Eboshijima, Fukuoka Prefecture, Japan. In: OTSUKI K., CARTER H.R., MINOWA Y. ET AL. (Eds.) Status and Monitoring of Rare and Threatened Japanese Crested Murrelet. Fukushima, Japan: Marine Bird Restoration Group.
OTSUKI, K., CARTER, H.R., YAMAMOTO, Y. & PARK, C.U. 2017. Summary of breeding status for the Japanese crested murrelet. In: OTSUKI, K., CARTER, H.R., MINOWA, Y. ET AL. (Eds.) Status and Monitoring of Rare and Threatened Japanese Crested Murrelet. Fukushima, Japan: Marine Bird Restoration Group.
PARK, C.U., OGURA, T., KWAK, M. & CHAE, H.Y. 2013. First breeding record of Crested Murrelet (Synthliboramphus wumizusume) on Baek-do Islands, Dadoheahaesang National Park, Korea. The Korean Journal of Ornithology 20: 67–77.
PIATT, J.F. & GOULD, P.J. 1994. Postbreeding dispersal and drift-net mortality of endangered Japanese Murrelets. The Auk 111: 953–961. doi:10.2307/4088827
PLEDGER, S., BAKER, E. & SCRIBNER, K. 2013. Breeding return times and abundance in capture–recapture models. Biometrics 69: 991–1001. doi:10.1111/BIOM.12094
PLEDGER, S., POLLOCK, K.H. & NORRIS, J.L. 2010. Open capture–recapture models with heterogeneity: II. Jolly–Seber Model. Biometrics 66: 883–890. doi:10.1111/J.1541-0420.2009.01361.X
R DEVELOPMENT CORE TEAM. 2020. R: A language and environment for statistical computing. Vienna, Austria: R Foundation for Statistical Computing. [Accessed at https://www.r-project.org on 15 July 2022.]
REES, J.D., WEBB, J.K., CROWTHER, M.S. & LETNIC, M. 2015. Carrion subsidies provided by fishermen increase predation of beach-nesting bird nests by facultative scavengers. Animal Conservation 18: 44–49. doi:10.1111/ACV.12133
REMSEN, J.V. & GOOD, D.A. 1996. Misuse of data from mist-net captures to assess relative abundance in bird populations. The Auk 113: 381–398. doi:10.2307/4088905
SCHMIDT, A.E., DYBALA, K.E., BOTSFORD, L.W., EADIE, J.M., BRADLEY, R.W. & JAHNCKE, J. 2015. Shifting effects of ocean conditions on survival and breeding probability of a long-lived seabird. PLoS One 10: e0132372. doi:10.1371/JOURNAL.PONE.0132372
SCHWARZ, C.J. & ARNASON, A.N. 1996. A general methodology for the analysis of capture-recapture experiments in open populations. Biometrics 52: 860–873. doi:10.2307/2533048
SIMONS, T. R., MOORE, F. R. & GAUTHREAUX, S. A. 2004. Mist netting trans-Gulf migrants at coastal stopover sites: the influence of spatial and temporal variability on capture data. Studies in Avian Biology 29: 135–143.
SYMONDS, M. R. E. & MOUSSALLI, A. 2011. A brief guide to model selection, multimodel inference and model averaging in behavioural ecology using Akaike’s information criterion. Behavioral Ecology and Sociobiology 65: 13–21. doi:10.1007/S00265-010-1037-6
TAKEISHI, M. & TAKESHITA, M. 1995. Status of Japanese Murrelets on Eboshijima, Fukuoka Prefecture, Japan (In Japanese). In: ONO K. (Ed.) Status and Conservation of Rare Alcids in Japan I. Funabashi, Japan: Japan Alcid Society.
TAKEISHI, M. 1987. The mass mortality of Japanese Murrelet Synthliboramphus wumizusume on the Koyashima lslet in Fukuoka (in Japanese and English abstract). Bulletin of the Kitakyushu Museum of Natural History and Human History 7: 121–131.
TAKEISHI, M., WHITWORTH, D.L., MICHAEL, P. & OTSUKI, K. 2020. Estimating the breeding population size and confirming the status of invasive rodents at the newly discovered colonies of Japanese Murrelet, Mugi-cho, Tokushima Prefecture, Japan (in Japanese). Annual Report of Pro Natura Foundation Japan 29: 173–186.
TAKEISHI, M. 2021. Decreasing crow predation of Japanese Murrelet eggs at Kainage-jima, Mugi-cho, Tokushima-ken, Japan. In: OTSUKI, K. & MINOWA Y. (Eds.) Japanese Murrelet Surveys in 2020. Fukushima, Japan: Marine Bird Restoration Group.
TATTONI, D.J. & LABARBERA, K. 2022. Capture height biases for birds in mist-nets vary by taxon, season, and foraging guild in northern California. Journal of Field Ornithology 93: 1. doi:10.5751/JFO-00021-930101
THE MINISTRY OF THE ENVIRONMENT, GOVERNMENT OF JAPAN. 2020. Red List 2020 (in Japanese). [Accessed at https://www.env.go.jp/content/900515981.pdf on 02 September 2022.]
TSURUMI, M., SATO, F., HIRAOKA, T. & MAEYAMA, R. 2001. Recent evidence of probable breeding of the Japanese Murrelet Synthliboramphus wumizusume on Tori-shima, Izu Islands, Japan. Journal of the Yamashina Institute for Ornithology 33: 54–57.
WHITWORTH, D.L., CARTER, H.R., NAKAMURA, Y., TAKEISHI, M. & OTSUKI, K. 2020. Hatching success and predation of Japanese Murrelets at Birojima Synthliboramphus wumizusume at Birojima, Miyazaki, Japan. Journal of the Yamashina Institute for Ornithology 52: 63–82. doi:10.3312/JYIO.52.63
YAMAGUCHI, N.M., IIDA, T., NAKAMURA, Y., OKABE, H., OUE, K., YAMAMOTO, T. & HIGUCHI, H. 2016. Seasonal movements of Japanese Murrelets revealed by geolocators. Ornithological Science 15: 47–54. doi:10.2326/OSJ.15.47