A5041615614- Avian ecology and behavior
- Wildlife Ecology and Conservation
- Animal Ecology and Behavior Studies
- Marine animal studies overview
- Species Distribution and Climate Change
- Amphibian and Reptile Biology
- Wildlife Conservation and Criminology Analyses
- Physiological and biochemical adaptations
- Human-Animal Interaction Studies
- Isotope Analysis in Ecology
- Polar Research and Ecology
- Neurobiology and Insect Physiology Research
- Genetic diversity and population structure
- Animal Behavior and Reproduction
- UAV Applications and Optimization
- Bird parasitology and diseases
- Marine Biology and Environmental Chemistry
- Marine Biology and Ecology Research
- Plant and animal studies
- Forest Insect Ecology and Management
- Marine and coastal plant biology
- Fish Ecology and Management Studies
Parker Conservation
2016-2025
Royal Society for the Protection of Birds
2012-2020
University of Otago
2011-2020
Hawk Mountain Sanctuary
2018
Falklands Conservation
2015
South Atlantic Environmental Research Institute
2012-2013
University of Cape Town
2012-2013
Abstract The identification of geographic areas where the densities animals are highest across their annual cycles is a crucial step in conservation planning. In marine environments, however, it can be particularly difficult to map distribution species, and methods used usually biased towards adults, neglecting other life‐history stages even though they represent substantial proportion total population. Here we develop methodological framework for estimating population‐level density...
ABSTRACT Aim To identify the broad‐scale oceanic migration routes (‘marine flyways’) used by multiple pelagic, long‐distance migratory seabirds based on a global compilation of tracking data. Location Global. Time Period 1989–2023. Major Taxa Studied Seabirds (Families: Phaethontidae, Hydrobatidae, Diomedeidae, Procellariidae, Laridae and Stercorariidae). Methods We collated comprehensive dataset that included 48 pelagic migrating seabird species across Atlantic, Indian, Pacific Southern...
Highly pathogenic avian influenza (HPAI) virus subtype H5N1 has never been detected in New Zealand. The potential impact of this on Zealand's wild birds would be catastrophic. To expand our knowledge viruses across Zealand, we sampled aquatic from its outer islands and subantarctic territories. Metatranscriptomic analysis 700 individuals spanning 33 species revealed no detection during the annual 2023-2024 migration. A single H1N9 red knots (Calidris canutus) was noted. This study provides a...
Summary The predatory behaviour of introduced house mice Mus musculus at Gough Island is known to impact on albatross and petrels, resulting in the Tristan Albatross Diomedea dabbenena Atlantic Petrel Pterodroma incerta being listed as “Critically Endangered” “Endangered”, respectively. Although predation has been documented for two burrowing petrels one species, other unknown. We report burrow occupancy breeding success Petrels, Soft-plumaged Petrels mollis , Broad-billed Prions Pachyptila...
Abstract The Southern Ocean represents a continuous stretch of circumpolar marine habitat, but the potential physical and ecological drivers evolutionary genetic differentiation across this vast ecosystem remain unclear. We tested for structure full range white‐chinned petrel ( Procellaria aequinoctialis ) to unravel population test alternative hypotheses. Following range‐wide comprehensive sampling, we applied genomic (genotyping‐by‐sequencing or GBS; 60,709 loci) standard...
Abstract Introduced house mice Mus musculus L. have been discovered to be major predators of chicks the Tristan albatross Diomedea dabbenena and Atlantic petrel Pterodroma incerta Schlegel also predate great shearwater Puffinus gravis O'Reilly at Gough Island, similar predatory behaviour has reported for on Marion Island. Observations Island over three breeding seasons nesting yellow-nosed albatrosses Thalassarche chlororhynchos Gmelin dark-mantled sooty Phoebetria fusca Hilsenberg indicate...
The Auckland Islands are the largest island group in New Zealand subantarctic region, and have most diverse avifauna, including eight endemic taxa. We present first comprehensive review of avifauna Islands, based on a database 23,028 unique bird records made between 1807 2019. At least 45 species breed (or bred) islands, with further 77 recorded as visiting migrants, vagrants, or failed colonisers. Information occurrence each different islands is presented, along population estimates,...
The extent to which seasonal changes in food availability affect small-scale movements free-ranging populations of birds prey is relatively little studied. Here we describe a "micro-migration" farm-island population striated caracaras (Phalcoboenus australis) the Falkland Islands response seabird carcasses. We banded more than 450 individuals on Saunders Island, deployed archival and satellite GPS data loggers 17 individuals, monitored within between two feeding areas "marine-subsidized"...
Abstract Populations of grey petrels have declined globally due to both incidental capture in commercial fisheries and predation by introduced mammals at breeding sites. In the New Zealand region, only breed on Campbell Antipodes islands. Rats were successfully eradicated from Island 2001. We assessed spatial extent conducted first quantitative population estimate petrel surrounding islets. There was an estimated c. 96 pairs (95% CI: 83, 109) four colonies. Since work during middle...
Abstract We compared systematic and random survey techniques to estimate breeding population sizes of burrow-nesting petrel species on Marion Island. White-chinned ( Procellaria aequinoctialis ) blue Halobaena caerulea were estimated in surveys (which attempt count every colony) 2009 2012, respectively. In 2015, we counted burrows white-chinned, great-winged Pterodroma macroptera petrels within 52 randomized strip transects (25 m wide, total 144 km). Burrow densities extrapolated by...
Adams Island (9,693 ha) is the second-largest island in Auckland Islands group, and largest New Zealand on which introduced mammals have never become established. forested northern sheltered parts of its coastline, has shrubland, grassland, fellfield at higher altitudes, herb-field fertile open sites. Sheer cliffs dominate exposed, southern side island, above them, narrow shelves support lush herb-fields. This diversity habitat close proximity supports unique communities birds, with most...
A small number of vertebrate species, including some frogs, are freezing tolerant and survive ice forming in their bodies under ecologically relevant conditions. Habitat use information is critical for interpreting laboratory studies tolerance, but there often little known about the winter habitat behaviours species study. This work describes microhabitats used by freezing-tolerant frog Litoria ewingii Duméril Bibron 1841 temperature characteristics. In winter, L. with wood, located further...
Summary Seabirds are highly threatened, including by fisheries bycatch. Accurate understanding of offshore distribution seabirds is crucial to address this threat. Tracking technologies revolutionised insights into seabird distributions but tracking data may contain a variety biases. We tracked two threatened (Salvin’s Albatross Thalassarche salvini n = 60 and Black Petrel Procellaria parkinsoni 46) from their breeding colonies in Aotearoa (New Zealand) non-breeding grounds South America,...
Albatrosses and petrels are among the most endangered seabird species worldwide. They face threats such as plastic ingestion, bycatch in fisheries, invasive predators at breeding sites, light pollution, climate change. Many from Aotearoa New Zealand migrate to eastern Pacific waters during non-breeding season, following abundant food availability of Humboldt current. In this article, we compile observations Thalassarche Procellaria Ecuadorian five information sources incidental tourist...
To develop an accurate, low-cost method for sexing Gough Moorhens Gallinula comeri using morphometric measurements, twelve measurements were taken from 59 birds and validated against genetic sexing. The classification accuracy of variables was determined discriminant analysis used to test whether multiple improved accuracy. Males larger than females in all dimensions. Head length reliably differentiated male female Moorhens. A threshold 64 mm correctly classified 92% the sample birds; adding...
To examine the extent and possible causes of ringing injuries in Gough Moorhen Gallinula comeri, ringed birds were monitored recaptured. Of Moorhens, 12.5% developed associated with leg rings. Injuries rapidly, ranging from lameness to complete crippling leg. Given cryptic behaviour Moorhens rapid onset injuries, long-term use metal rings is not recommended for free-roaming Moorhens. Ringing have been reported previously rails, highlighting need caution when unstudied bird species.
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