Pachyptila
Encyclopedia
Pachyptila is a genus
from the family
Procellariidae
and the Procellariiformes
order
. The members of this genus and the Blue Petrel
form a sub-group called Prions
.
words pakhus and ptilon. Pakhus means thick or stout and ptilon means a feather. Also from the Greek language, Prion comes from the word priōn meaning a saw, which is in reference to its serrated edges of its bill
.
, share certain identifying features. First, they have nasal passages that attach to the upper bill called naricorns. Although the nostrils on the Albatross are on the sides of the bill. The bills of Procellariiformes are also unique in that they are split into between 7 and 9 horny plates. They produce a stomach oil made up of wax ester
s and triglycerides that is stored in the proventriculus
. This is used against predators as well as an energy rich food source for chicks and for the adults during their long flights. Finally, they also have a salt gland that is situated above the nasal passage and helps desalinate their bodies, due to the high amount of ocean water that they imbibe. It excretes a high saline solution from their nose.
by filtering water through their upper bill
. Some even hydroplane, a technique where they filter food out while flying with their bill in the ocean
. They breed colonially
, and do so neat the ocean, usually with the same mate for life. Both sexes help incubate
the egg, and care for the chick.
, and breed on subantarctic
islands except the Fairy Prion
which breeds on subtropical islands.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
from the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
Procellariidae
Procellariidae
The family Procellariidae is a group of seabirds that comprises the fulmarine petrels, the gadfly petrels, the prions, and the shearwaters. This family is part of the bird order Procellariiformes , which also includes the albatrosses, the storm-petrels, and the diving petrels.The procellariids are...
and the Procellariiformes
Procellariiformes
Procellariiformes is an order of seabirds that comprises four families: the albatrosses, petrels and shearwaters, storm petrels, and diving petrels...
order
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...
. The members of this genus and the Blue Petrel
Blue Petrel
The Blue Petrel is a small seabird in the family Procellariidae. This small petrel is the only member of the genus Halobaena but is closely allied to the prions.-Taxonomy:...
form a sub-group called Prions
Prion (bird)
The Prions are small petrels in the genera Pachyptila and Halobaena. They form one of the four groups within the Procellariidae , along with the gadfly petrels, shearwaters and fulmarine petrels....
.
Etymology
Pachyptila, the word, comes from the GreekGreek language
Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...
words pakhus and ptilon. Pakhus means thick or stout and ptilon means a feather. Also from the Greek language, Prion comes from the word priōn meaning a saw, which is in reference to its serrated edges of its bill
Beak
The beak, bill or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young...
.
Taxonomy
All the members of this genus, along with the rest of the ProcellariiformesProcellariiformes
Procellariiformes is an order of seabirds that comprises four families: the albatrosses, petrels and shearwaters, storm petrels, and diving petrels...
, share certain identifying features. First, they have nasal passages that attach to the upper bill called naricorns. Although the nostrils on the Albatross are on the sides of the bill. The bills of Procellariiformes are also unique in that they are split into between 7 and 9 horny plates. They produce a stomach oil made up of wax ester
Wax ester
An ester of a fatty acid and a long-chain alcohol. These oils have similar properties as triglycerides, but are indigestible. They are found in some fish such as orange roughy, oilfish, escolar, black oreo, smooth oreo and other deep water fish. They are also present in marine copepods. Wax...
s and triglycerides that is stored in the proventriculus
Proventriculus
The proventriculus is part of the digestive system of birds, invertebrates and insects.-Birds:The proventriculus is a standard part of avian anatomy...
. This is used against predators as well as an energy rich food source for chicks and for the adults during their long flights. Finally, they also have a salt gland that is situated above the nasal passage and helps desalinate their bodies, due to the high amount of ocean water that they imbibe. It excretes a high saline solution from their nose.
Species
- Pachyptila turtur, Fairy PrionFairy PrionThe Fairy Prion is a small seabird with the standard prion plumage of black upperparts and white underneath with an "M" wing marking.-Taxonomy:...
, breeds on subtropical and subantarcticSubantarcticThe Subantarctic is a region in the southern hemisphere, located immediately north of the Antarctic region. This translates roughly to a latitude of between 46° – 60° south of the Equator. The subantarctic region includes many islands in the southern parts of the Indian Ocean, Atlantic Ocean and...
islands - Pachyptila belcheri, Slender-billed PrionSlender-billed PrionThe Slender-billed Prion or Thin-billed Prion, Pachyptila belcheri, is a species of seabird in the Procellariidae family.It is found in the southern oceans.-Taxonomy:...
, breeds on Crozet IslandsCrozet IslandsThe Crozet Islands are a sub-antarctic archipelago of small islands in the southern Indian Ocean. They form one of the five administrative districts of the French Southern and Antarctic Lands.-Geography:...
, Kerguelen IslandsKerguelen IslandsThe Kerguelen Islands , also known as the Desolation Islands, are a group of islands in the southern Indian Ocean constituting the emerged part of the otherwise submerged Kerguelen Plateau. The islands, along with Adélie Land, the Crozet Islands and the Amsterdam and Saint Paul Islands are part of...
, Falkland IslandsFalkland IslandsThe Falkland Islands are an archipelago in the South Atlantic Ocean, located about from the coast of mainland South America. The archipelago consists of East Falkland, West Falkland and 776 lesser islands. The capital, Stanley, is on East Falkland...
, and Noir IslandNoir IslandNoir Island is an island, belonging to Chile, located west of Tierra del Fuego at -54.468441,-73.02063. Cabo Noir is the south-west cape of Isla Noir.... - Pachyptila crassirostris, Fulmar PrionFulmar PrionThe Fulmar Prion, Pachyptila crassirostris, is a species of seabird in the Procellariidae family, found in the southern oceans-Taxonomy:...
- Pachyptila crassirostris crassirostris, breeds on Snares Islands, Bounty IslandBounty IslandBounty Island may refer to:* Bounty Islands, a small group of 13 islets and numerous rocks in the south Pacific Ocean which are territorially part of New Zealand.* Bounty Island, the common name of Kadavulailai Island in the Mamanuca Islands group, Fiji....
, and Chatham IslandsChatham IslandsThe Chatham Islands are an archipelago and New Zealand territory in the Pacific Ocean consisting of about ten islands within a radius, the largest of which are Chatham Island and Pitt Island. Their name in the indigenous language, Moriori, means Misty Sun... - Pachyptila crassirostris eatoni, breeds on Heard Island and the Auckland IslandsAuckland IslandsThe Auckland Islands are an archipelago of the New Zealand Sub-Antarctic Islands and include Auckland Island, Adams Island, Enderby Island, Disappointment Island, Ewing Island, Rose Island, Dundas Island and Green Island, with a combined area of...
- Pachyptila crassirostris crassirostris, breeds on Snares Islands, Bounty Island
- Pachyptila vittata, Broad-billed PrionBroad-billed PrionThe Broad-billed Prion, Pachyptila vittata, is a small seabird, but the largest Prion, with grey upperparts plumage, and white underparts. It has many other names that have been used such as Blue-billed Dove-petrel, Broad-billed Dove-petrel, Long-billed Prion, Common Prion, Icebird, and...
, breeds on islands near New ZealandNew ZealandNew Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...
and the Tristan da CunhaTristan da CunhaTristan da Cunha is a remote volcanic group of islands in the south Atlantic Ocean and the main island of that group. It is the most remote inhabited archipelago in the world, lying from the nearest land, South Africa, and from South America...
group - Pachyptila desolata, Antarctic PrionAntarctic PrionThe Antarctic Prion, Pachyptila desolata, also known as the Dove Prion, or Totorore in Maori, is the largest of the prions, a genus of small petrels of the Southern Ocean.-Taxonomy:...
- Pachyptila desolata desolata, breeds Crozet IslandsCrozet IslandsThe Crozet Islands are a sub-antarctic archipelago of small islands in the southern Indian Ocean. They form one of the five administrative districts of the French Southern and Antarctic Lands.-Geography:...
, Kerguelen IslandsKerguelen IslandsThe Kerguelen Islands , also known as the Desolation Islands, are a group of islands in the southern Indian Ocean constituting the emerged part of the otherwise submerged Kerguelen Plateau. The islands, along with Adélie Land, the Crozet Islands and the Amsterdam and Saint Paul Islands are part of...
, and Macquarie IslandMacquarie IslandMacquarie Island lies in the southwest corner of the Pacific Ocean, about half-way between New Zealand and Antarctica, at 54°30S, 158°57E. Politically, it has formed part of the Australian state of Tasmania since 1900 and became a Tasmanian State Reserve in 1978. In 1997 it became a world heritage... - Pachyptila desolata altera, breeds on Heard Island and Auckland IslandAuckland IslandAuckland Island is the main island of the Auckland Islands, an uninhabited archipelago in the south Pacific Ocean belonging to New Zealand. It is inscribed in the together with the other subantarctic New Zealand islands in the region as follows: 877-004 Auckland Isls, New Zealand S50.29 E165.52...
- Pachyptila desolata banksi, breeds on the Scotia Archipelago, South Georgia, South Sandwich Islands, and Scott IslandScott IslandScott Island is a small uninhabited island of volcanic origin in the Ross Sea, Southern Ocean, northeast of Cape Adare, the northeastern extremity of Victoria Land, Antarctica. It is long north-south, and between and wide, reaching a height of and covering an area of...
- Pachyptila desolata desolata, breeds Crozet Islands
- Pachyptila salvini, Salvin's Prion
- Pachyptila salvini salvini, breeds on Prince Edwards Islands and Crozet IslandsCrozet IslandsThe Crozet Islands are a sub-antarctic archipelago of small islands in the southern Indian Ocean. They form one of the five administrative districts of the French Southern and Antarctic Lands.-Geography:...
- Pachyptila salvini Macgillivrayi, breeds on Amsterdam Island and St. Paul Island
- Pachyptila salvini salvini, breeds on Prince Edwards Islands and Crozet Islands
Behavior
The members of this genus primarily eat zooplanktonZooplankton
Zooplankton are heterotrophic plankton. Plankton are organisms drifting in oceans, seas, and bodies of fresh water. The word "zooplankton" is derived from the Greek zoon , meaning "animal", and , meaning "wanderer" or "drifter"...
by filtering water through their upper bill
Beak
The beak, bill or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young...
. Some even hydroplane, a technique where they filter food out while flying with their bill in the ocean
Ocean
An ocean is a major body of saline water, and a principal component of the hydrosphere. Approximately 71% of the Earth's surface is covered by ocean, a continuous body of water that is customarily divided into several principal oceans and smaller seas.More than half of this area is over 3,000...
. They breed colonially
Colony (biology)
In biology, a colony reference to several individual organisms of the same species living closely together, usually for mutual benefit, such as stronger defense or the ability to attack bigger prey. Some insects live only in colonies...
, and do so neat the ocean, usually with the same mate for life. Both sexes help incubate
Avian incubation
Incubation refers to the process by which certain oviparous animals hatch their eggs, and to the development of the embryo within the egg. The most vital factor of incubation is the constant temperature required for its development over a specific period. Especially in domestic fowl, the act of...
the egg, and care for the chick.
Range and habitat
They are pelagic and seldom come to land, except to breed. Also, they all stay in the Southern HemisphereSouthern Hemisphere
The Southern Hemisphere is the part of Earth that lies south of the equator. The word hemisphere literally means 'half ball' or "half sphere"...
, and breed on subantarctic
Subantarctic
The Subantarctic is a region in the southern hemisphere, located immediately north of the Antarctic region. This translates roughly to a latitude of between 46° – 60° south of the Equator. The subantarctic region includes many islands in the southern parts of the Indian Ocean, Atlantic Ocean and...
islands except the Fairy Prion
Fairy Prion
The Fairy Prion is a small seabird with the standard prion plumage of black upperparts and white underneath with an "M" wing marking.-Taxonomy:...
which breeds on subtropical islands.