Oceanwings - Albatross Encounters, Kaikoura, New Zealand(Site not responding. Last check: 2007-10-26)
Since grey petrels can dive so deep and they are attracted to food scraps around fishing boats, their is some concern about the number of grey petrels caught on baited fish hooks, especially in the southern blue-fin tuna fishery.
The population of Westlandpetrels has trebled in the last three decades, possibly due to the food scraps available to the birds from the hoki fishery on the West Coast.
Most of the giant petrels seen off Kaikoura are dark phased birds and are immature with no colouration on the end of their bills (so that they can not be easily distinguished from the more common northern giant petrel).
Petrels in the genus Procellaria are heavy-set birds that feed at the surface or make shallow dives.
The Westlandpetrel and white-chinned petrel (Procellaria aequinoctialis) are the largest burrow-nesting species.
Fulmarine petrels typically live at high latitudes, but two species, the northern giant petrel (Macronectes halli) and the Cape pigeon, are commonly seen around much of New Zealand.
Annotated List of the Seabirds of the World -- Westland Petrel(Site not responding. Last check: 2007-10-26)
Palliser notes that WestlandPetrels (June and September) have a very dark bill tip with the ungues almost entirely fl.
In his experience, Black Petrels have slightly less fl on the tip and in White-chinned Petrel the bill tip is generally pale although some might have a slight dusky tone.
In particular, the latericorn of WestlandPetrels is noticeably wider than that of White-chins.
www.oceanwanderers.com /WestPet.html (218 words)
Eric Preston Photography - Parkinson's Petrel(Site not responding. Last check: 2007-10-26)
WestlandPetrel, which also breeds on New Zealand, is a much larger bird.
WestlandPetrel is the size of White-chinned Petrel, which is a circumpolar southern ocean breeder.
White-chinned Petrel almost always has an ivory-colored tip to the bill, where Parkinson's and Westland almost always have a dusky to very dark bill tip.
A medium-sized, stocky, uniformly dark petrel that is very similar to both WestlandPetrel and White-chinned Petrel.
Flight said to be less laboured than Westland or White-chinned Petrels but this subjective criteria is likely to be of limited use in a field situation.
Separation between the two is more tricky and the features to be looked for include the extent of the dusky tip and the height of the maxillary unguis compared to the height of the culminicorn.
The bills are also different with Westlands they have a solid fl line down the culmen ridge, more extensive fl on the unguis, particularly the maxilliary unguis and a darker line down the cutting edge.
Apparently the mystery petrel was only somewhat larger than a Sooty Shearwater, supporting the ID as Parkinson's.
Westland Black Petrel was not on anybody's expected list of future California birds as far as I know.
WestlandPetrel was also present and most abundant were the prions of which I could only find Fairy.
WestlandPetrel gave better views as from the ferry.
Suprising were the many seabirds flying far at sea (the wind was to the land), with a Northern Giant Petrel and numbers of albatrosses (all of the 'Shy' type) in the tens.
Abstract Iso-electric focusing was used to identify fish tissue in Westlandpetrel (Procellaria westlandica) diet samples.
Forty-five percent of the samples from Westlandpetrel stomachs produced clear protein banding patterns and more than half of these were identified as species common in fisheries' waste.
Iso-electric focusing is a comparatively quick and inexpensive technique and is particularly useful for diet studies where flesh eaten is likely to be relatively undigested at the time of sampling.
This is one of the rarest birds in the world,the Westland Black Petrel (Procellaria westlandica).
The WestlandPetrel is a large almost fl bird weighing around 1100g and about 46cm in body length.
In breeding season it is seen mainly off the New Zealand coast,south of East Cape in the east and Taranaki in the west,but often ranges as far as Australia and South Pacific islands between December and March.
The WestlandPetrel is the largest of the oceanic, burrow-nesting seabirds.
The WestlandPetrel Procellaria westlandica The proposed landing pad is approximately half a kilometre from the only breeding area of the WestlandPetrel Procellaria westlandica.
The WestlandPetrel is a Category B seriously threatened species according to the Department of Conservation’s endangered species classification.
birding facts Birding Resources by the Fat Birder(Site not responding. Last check: 2007-10-26)
The group consists of Fulmars, Shearwaters, Diving Petrels & Prions and a long list of petrel species ranging from the Snow Petrel in Antarctica to the WestlandPetrel in New Zealand.
UK conservation recently declared one historic breeding island predator free for the first time in over a century and such effort needs to be made in many other locations where man has thoughtlessly allowed domestic pets to run wild or accidentally introduced verminous rodents.
Snow petrels are pure white birds with fl beaks and eyes.
The boat was stopped 29 NM from shore with numbers of Wandering Albatross of several races feeding right at the stern with over 30 Cape Petrels grabbing at the scraps.
The onset of the summer season yielded higher numbers of shearwaters but 6 species of Albatross including Northern Royal and Grey-Headed and a few lingering Prions emphasised the changing of the seasons.
Yet another WestlandPetrel was recorded but the views were brief.
FONT Chile Previous Tour Highlights(Site not responding. Last check: 2007-10-26)
Sooty Shearwaters, White-chinned Petrel, Peruvian Pelicans, and various gulls and terns were flying above the surface of the water.
These would those such as the WestlandPetrel, another species of albatross, a skua, or Little Shearwater.
With the ocean swells as they were, we could not go further west to a "belt" where we might have gotten the pterodromas, the Masatierra (or DeFilippi's) Petrel or the Juan Fernandez Petrel.