Cryptic speciation and population differentiation in the yellow-nosed albatross species complex
A juvenile Tristan albatross (Diomedea dabbenena) on land at the Crozet Islands
- Polar Biology
Albatrosses and other seabirds are generally highly philopatric, returning to natal colonies when they achieve breeding age. This is not universal, however, and cases of extraordinary vagrancy are…
Hybridization and cuckoldry between black-browed and grey-headed albatrosses
- BiologyAntarctic Science
Results suggest that the black-browed albatross cuckolded its social mate with another grey-headedAlbatross in 2006/07, and the failures of the other three breeding attempts at the egg stage possibly indicate genetic incompatibility with the social partner.
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Genetic population structure of black-browed and Campbell albatrosses, and implications for assigning provenance of birds killed in fisheries
Based on the mtDNA results and current population trends, consideration should be given to assigning regional IUCN status for the different breeding populations of black-browed albatrosses.
The conservation status and priorities for albatrosses and large petrels
Although major progress has been made in recent years in reducing bycatch rates and in controlling or eradicating pests at breeding sites, unless conservation efforts are intensified, the future prospects of many species of albatrosses and large petrels will remain bleak.
Hybridization and Back-Crossing in Giant Petrels (Macronectes giganteus and M. halli) at Bird Island, South Georgia, and a Summary of Hybridization in Seabirds
- Biology, MedicinePloS one
Results of a long-term study of the extent of hybridization, mate fidelity, timing of breeding and breeding success in mixed and conspecific pairs of the sibling species, Macronectes halli and M. giganteus, and the first verified back-crossing of a hybrid giant petrel with a female northern giantPetrel are reported.
Rape and the prevalence of hybrids in broadly sympatric species: a case study using albatrosses
- Biology, MedicinePeerJ
Evidence is presented that heterospecific rape may be the source of hybrids between Black-footed and Laysan Albatrosses and that the siring asymmetry found in the authors' hybrids has long persisted.
Hybridization of the black-footed and Laysan Albatrosses
- West. Bird
Anonymous nuclear loci in Madeiran storm-petrel Oceanodroma castro (Procellariiformes: Hydrobatidae) and applicability across other Procellariiform families
- BiologyConservation Genetics Resources
Compared to the other small petrel populations breeding in Selvagem Grande I., O. castro shows the highest level of nuclear genetic diversity, despite its smaller census size, and will provide a valuable resource in future evolutionary and conservation studies of seabirds.
Anonymous nuclear loci in the white-faced storm-petrel Pelagodroma marina and their applicability to other Procellariiform seabirds.
- Biology, MedicineThe Journal of heredity
High levels of cross-species amplification success are found, varying between 79% and 86% in representatives of Diomedeidae, Procellariidae, Pelecanoididae, and other Hydrobatidae and will be a valuable tool in future population genetics and phylogenetic studies, particularly of nonmodel seabird species.
Phylogenetic Relationships in Pterodroma Petrels Are Obscured by Recent Secondary Contact and Hybridization
- Biology, MedicinePloS one
Investigation of the relationships between Round Island petrels and their closest relatives using evidence from mitochondrial DNA sequence data and ectoparasites reveals that hybridization among species on Round Island has led to genetic leakage between populations from different ocean basins.
Intra-sex vocal interactions in two hybridizing seabird species (Puffinus sp.)
- BiologyBehavioral Ecology and Sociobiology
Acoustic analyses showed that, for both sexes, calls have species-specific characteristics while hybrids have intermediate acoustic features compared to their parental species, and remarkable results resulted in equal intra-sex responses to either species while incubating Balearic birds led to lower territorial responses to Yelkouan than to conspecific calls.