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Oceanodroma homochroa (Ashy Storm Petrel)

Citation:

Ashy Storm-Petrel Oceanodroma homochroa mist-netting and capture rates in the California Channel Islands, 2004–2007.

Author(s)
Adams, J.
Volume
44
Exposure Endpoint Type Endpoint Value Error Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 34.7 2.1 g M Adult Channel Islands 28 Exposure Factor Datasets
Body Weight - Mean 36.1 2.8 g F Adult Channel Islands 71 Exposure Factor Datasets
Citation:

Molt in Leach's and Ashy storm-petrels.

Author(s)
Ainley, D.G., Lewis, T.J. and Morrell, S.
Exposure Endpoint Type Endpoint Value Endpoint Description Units Life Cycle Stage Location Sample Size Type
Time of Molt Body: egg-hatching,Rectrice: 40 days post egg-hatch, Primaries: 30 days post-rectrice molt start, Secondaries: immediately post-primaries Start time of molting relative to breeding Adult South Farallon Island 981 Exposure Factor Datasets
Time of Molt Body: adult egg-laying,Rectrice: 40 days post egg-laying by adults, Primaries: 30 days post-rectrice molt start, Secondaries: immediately post-primaries Start time of molting relative to breeding Days Juvenile South Farallon Island 981 Exposure Factor Datasets
Time of Molt 257 Length of molt cycle Days Adult South Farallon Island 981 Exposure Factor Datasets
Citation:

Top-down and bottom-up factors affecting seabird population trends in the California current system (1985–2006).

Author(s)
Ainley, D.G. and Hyrenbach, K.D.
Issue
3
Volume
84
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Population Density 0.09 Individuals/sq km 1.6041 Individuals/sq km B Both Adults and Juveniles Bodega Bay-Cypress Point 977 Exposure Factor Datasets
Citation:

Status and monitoring of Ashy Storm-Petrels Oceanodroma homochroa at Point Reyes National Seashore, California, 2012–2015.

Author(s)
Becker, B.H., Carter, H.R., Henderson, R.P., Weinstein, A.M. and Parker, M.W.
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Location Sample Size Type
Population Density See citation Table 2 Number of active nests/number of potential sites checked Number of active nests/number of potential sites checked B Point Reyes National Seashore See citation Exposure Factor Datasets
Citation:

Changing breeding status of the ashy storm-petrel Oceanodroma homochroa on Anacapa Island, California.

Author(s)
Harvey, A.L., Mazurkiewicz, D.M., McKown, M.W., Barnes, K.W. and Parker, M.W.
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Age at Fledging, Metamorphosis, Weaning >76 Days post hatch Days NR Fledgling Anacapa Islands 1 Exposure Factor Datasets
Citation:

At-Sea distribution and abundance of seabirds off southern California: a 20-Year comparison

Author(s)
Mason, J.W., McChesney, G.J., McIver, W.R., Carter, H.R., Takekawa, J.Y., Golightly, R.T., Ackerman, J.T., Orthmeyer, D.L., Perry, W.M., Yee, J.L. and Pierson, M.O.
Volume
33
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Sample Size Type
Population Density 10000 Approx. individuals off CA coast Individuals B 10,000 Exposure Factor Datasets
Population Density See citation Figure 20 Birds/sq km B Exposure Factor Datasets
Citation:

Use of social attraction to restore Ashy Storm-Petrels Oceanodroma homochroa at Orizaba Rock, Santa Cruz Island, California.

Author(s)
McIver, W.R., Carter, H.R., Harvey, A.L., Mazurkiewicz, D.M. and Mason, J.W.
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Location Sample Size Type
Hatching Success 2008–2011: 49.5 Breeding success in artificial and natural nests (percent of nests fledging chicks) Orizaba Rock, Santa Cruz Island 105 Exposure Factor Datasets
Hatching Success 2005–2011: 71.2 Breeding success in natural nests (percent of nests fledging chicks) Cave of the Birds' Eggs, Santa Cruz Island 156 Exposure Factor Datasets
Time of Mating/ Laying 43267 2.5 Orizaba Rock, Santa Cruz Island 96 Exposure Factor Datasets
Time of Mating/ Laying 43257 2.1 Cave of the Birds' Eggs, Santa Cruz Island 156 Exposure Factor Datasets
Fledging or Weaning Rate See citation Figure 8 Chicks fledged/nest % Orizaba Rock, Santa Cruz Island Exposure Factor Datasets
Fledging or Weaning Rate See citation Figure 8 Chicks fledged/nest % Cave of the Birds' Eggs, Santa Cruz Island Exposure Factor Datasets
Citation:

Ecomorphological differences in foraging and pattering behavior among storm-petrels in the eastern Pacific Ocean.

Author(s)
Sausner, J., Torres-Mura, J.C., Robertson, J. and Hertel, F.
Issue
3
Volume
133
Exposure Endpoint Type Endpoint Value Error Units Sex Location Sample Size Type
Body Weight - Mean 34.2 2.3 g NR Anacapa Islands 19 Exposure Factor Datasets
Citation:

Status and trends of the Ashy Storm-petrel on Southeast Farallon Island, California, based upon capture-recapture analyses.

Author(s)
Sydeman, W.J., Nur, N., McLaren, E.B. and McChesney, G.J.
Issue
3
Volume
100
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Location Type
Population Density Total individuals: 6,461; breeders: 3,402 Estimated population size on island B South Farallon Island Exposure Factor Datasets
Population Density Total individuals:4,284; breeders: 1,990 Estimated population size on island B South Farallon Island Exposure Factor Datasets
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