Oceanodroma homochroa (Ashy Storm Petrel)

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Ashy Storm Petrel (Oceanodroma homochroa)

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 Units Sample Size Location Type California Counties Countries Error
Hatching Success 2005–2011: 71.2 Breeding success in natural nests (percent of nests fledging chicks) 156 Cave of the Birds' Eggs, Santa Cruz Island Exposure Factor Datasets Santa Barbara USA
Time of Mating/ Laying 43267 96 Orizaba Rock, Santa Cruz Island Exposure Factor Datasets Santa Barbara USA 2.5
Time of Mating/ Laying 43257 156 Cave of the Birds' Eggs, Santa Cruz Island Exposure Factor Datasets Santa Barbara USA 2.1
Fledging or Weaning Rate See citation Figure 8 Chicks fledged/nest % Orizaba Rock, Santa Cruz Island Exposure Factor Datasets Santa Barbara USA
Fledging or Weaning Rate See citation Figure 8 Chicks fledged/nest % Cave of the Birds' Eggs, Santa Cruz Island Exposure Factor Datasets Santa Barbara USA
Hatching Success 2008–2011: 49.5 Breeding success in artificial and natural nests (percent of nests fledging chicks) 105 Orizaba Rock, Santa Cruz Island Exposure Factor Datasets Santa Barbara USA
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 Units Sex Life Cycle Stage Sample Size Location Type California Counties Countries Error
Body Weight - Mean 34.7 g M Adult 28 Channel Islands Exposure Factor Datasets Santa Barbara USA 2.1
Body Weight - Mean 36.1 g F Adult 71 Channel Islands Exposure Factor Datasets Santa Barbara USA 2.8
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 Units Sex Sample Size Location Type California Counties Countries Error
Body Weight - Mean 34.2 g NR 19 Anacapa Islands Exposure Factor Datasets Ventura USA 2.3
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 California Counties Countries
Population Density Total individuals: 6,461; breeders: 3,402 Estimated population size on island B South Farallon Island Exposure Factor Datasets San Francisco USA
Population Density Total individuals:4,284; breeders: 1,990 Estimated population size on island B South Farallon Island Exposure Factor Datasets San Francisco USA
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 Sample Size Location Type California Counties Condition Countries
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 981 South Farallon Island Exposure Factor Datasets San Francisco Breeding USA
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 981 South Farallon Island Exposure Factor Datasets San Francisco USA
Time of Molt 257 Length of molt cycle Days Adult 981 South Farallon Island Exposure Factor Datasets San Francisco USA
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 Units Sex Life Cycle Stage Sample Size Location Type Countries Error
Population Density 0.09 Individuals/sq km Individuals/sq km B Both Adults and Juveniles 977 Bodega Bay-Cypress Point Exposure Factor Datasets USA 1.6041
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 Sample Size Location Type California Counties Condition Countries
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 See citation Point Reyes
National Seashore 		Exposure Factor Datasets Marin Breeding USA
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 Sample Size Location Type California Counties Countries
Age at Fledging, Metamorphosis, Weaning >76 Days post hatch Days NR Fledgling 1 Anacapa Islands Exposure Factor Datasets Ventura USA
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 Location Type Countries
Population Density 10000 Approx. individuals off CA coast Individuals B 10,000 Exposure Factor Datasets USA
Population Density See citation Figure 20 Birds/sq km B Exposure Factor Datasets USA

Citation:
Chemical Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Location Type Countries
STRONTIUM Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
MOLYBDENUM Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
MERCURY (elemental) Vane 1: 1.8, vane 2: 2.2, rachis 1: 1.7, rachis: 1.5 µg/g Feather concentration; flight right 1⁰ NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
SILVER COMPOUNDS Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
MERCURY (elemental) Vane 1: 2.4, vane 2: 2.9, rachis 1: 1.4, rachis: 2.6 µg/g Feather concentration; flight left 2⁰ NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
CADMIUM (elemental) Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
MERCURY (elemental) Vane 1: 2.0, vane 2: 1.3, rachis 1: 2.4, rachis: 2.1 µg/g Feather concentration; flight right 2⁰ NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
TIN COMPOUNDS Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
MERCURY (elemental) Vane 1: 1.7, vane 2: 1.4, rachis 1: 7.4, rachis: 3.0 µg/g Tail concentration NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
BORON COMPOUNDS Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
MAGNESIUM COMPOUNDS Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
ALUMINUM COMPOUNDS Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
VANADIUM (elemental) Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
IRON (elemental) Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
COBALT COMPOUNDS Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
NICKEL (elemental) Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
COPPER (elemental) Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
ZINC (elemental) Vane & rachis: see citation Table 6 Feather concentration (flight, tail) NR Adult 1 Frontenac, Eastern Ontario Toxicity Factor Datasets CANADA
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