Navigation Links
Tiger-parrots show their true evolutionary stripes
Date:4/13/2011

Recently released genetic research from CSIRO and New Mexico State University in the US is helping scientists better understand how Australian birds evolved.

The researchers found that the tiger-parrots of New Guinea's rainforests named for their striped or barred plumage - are not, as has been widely accepted, closely related either to a group of rosella-like parrots found in Australia and Oceania, nor a similar group found in Asia and Africa.

In the latest edition of Molecular Phylogenetics and Evolution, they report that tiger-parrots instead occupy their own perch on the parrot evolutionary tree.

Co-author, the Director of CSIRO's Australian National Wildlife Collection (ANWC) Dr Leo Joseph, said the findings will help improve our understanding of how parrots have evolved.

"This research on tiger-parrots and some other enigmatic Australian parrots such as the little-known Night Parrot of inland Australian deserts sheds light on the bigger picture of parrot evolution for Australia and New Guinea," Dr Joseph said.

"It has shown for the first time, for example, that tiger-parrots represent a very early branch of the parrot evolutionary tree in Australia and New Guinea."The research team's quest has been to understand the true places of parrots such as the Night Parrot and the tiger-parrots in the ecological and evolutionary history of parrots across the Australian continent.

"During our research on these oddball parrots of Australia and New Guinea, we affirmed that the Australian parrots are far from one cohesive group. They appear, instead, to be made up of about five different main branches of the parrot evolutionary tree," Dr Joseph said.

"We have shown that the New Guinea tiger-parrots aren't rosella-like parrots and that their resemblance in some aspects of their appearance to rosellas probably indicates some plumage characters that have been part of the evolution of parrots of Australia and New Guinea for a long time.

"We also showed, because we included so many other parrots, that they aren't even part of the Asian and African assemblage with which they have even more often been associated.

"In fact, it seems they are something nobody had really appreciated a very early branch of the Australian and New Guinean evolutionary tree of parrots," he said.

Dr Joseph said that by being able to accurately trace who is related to whom in a group of organisms, scientists can better understand how the evolutionary process affects diversity in the living world.


'/>"/>

Contact: Larissa Cordner
Larissa.Cordner@csiro.au
61-738-335-651
CSIRO Australia
Source:Eurekalert

Related biology news :

1. Women do not recover their muscle strength as fast as men
2. Beetles get by with a little help from their friends
3. Migratory moths may hitch their rides, but theyre anything but drifters
4. IOF calls on European citizens to stand tall and speak out for their bones
5. Rare corals breed their way out of trouble
6. Red-eyed treefrog embryos actively avoid asphyxiation inside their eggs
7. Lead-flapping objects experience less wind resistance than their trailing counterparts
8. In the war against diseases, nerve cells need their armor
9. Fish choose their leaders by consensus
10. Plants grow bigger and more vigorously through changes in their internal clocks
11. No place like home: New theory for how salmon, sea turtles find their birthplace
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:4/19/2016)... April 20, 2016 The new ... a compact web-based "all-in-one" system solution for all door ... reader or the door interface with integration authorization management ... control systems. The minimal dimensions of the access control ... the building installations offer considerable freedom of design with ...
(Date:3/31/2016)... , March 31, 2016 ... ) ("LegacyXChange" or the "Company") LegacyXChange is ... users of its soon to be launched online site ... https://www.youtube.com/channel/UCyTLBzmZogV1y2D6bDkBX5g ) will also provide potential shareholders ... of DNA technology to an industry that is notorious ...
(Date:3/22/2016)... and SANDY, Utah , ... which operates the highest sample volume laboratory in ... Genomics and UNIConnect, leaders in clinical sequencing informatics and ... launch of a project to establish the informatics infrastructure ... NSO has been contracted by the Ontario ...
Breaking Biology News(10 mins):
(Date:5/25/2016)... ... 2016 , ... The Ankle Plating System 3 and Small ... fractures of the distal tibia and fibula. This system marks Acumed's continued commitment ... is composed of seven plate families that span the lateral, medial, and posterior ...
(Date:5/25/2016)... ... May 25, 2016 , ... ... (RFI) issued by the Office of the National Coordinator for Health IT (ONC) ... determines if clinically relevant data were available when and where it was needed. ...
(Date:5/25/2016)... CITY, UTAH. (PRWEB) , ... May 25, 2016 , ... ... in healthcare information exchange, today announced that Charles W. Stellar has been named by ... WEDI’s interim CEO since January 2016. As an executive leader with more than 35 ...
(Date:5/25/2016)... ... May 25, 2016 , ... ... Drug Administration (FDA) has granted the company’s orphan drug designation request covering BHV-4157 ... drug designation granted by the FDA. , Spinocerebellar ataxia is a rare, ...
Breaking Biology Technology: