Navigation Links
Kittiwakes' trans-Atlantic winter odyssey linked to breeding success

One of Britain's best known seabirds winters on opposite sides of the Atlantic depending on whether its breeding attempt has been successful according to new research published today in the journal Proceedings of the Royal Society B. The findings highlight previously unsuspected links between summer breeding performance and wintering distributions of kittiwakes.

The research team was led by Dr Maria Bogdanova from the Centre for Ecology & Hydrology (CEH) in conjunction with colleagues from CEH and the British Antarctic Survey (BAS).

The discovery of such patterns of segregated winter distributions is important for defining key wintering areas in declining species such as the kittiwake that are experiencing poor breeding seasons with increasing regularity.

The results show kittiwakes that experienced breeding failure left their colony earlier than successful breeders. Failed breeders then travelled over 3000km and wintered off Canada while their successful neighbours remained close to Britain. The two groups did not differ in the timing of return to the colony the following spring. However, over half the males from both groups made a previously undescribed long-distance journey out into the central Atlantic before the breeding season.

Lead author Dr Maria Bogdanova, an animal population ecologist at the Centre for Ecology & Hydrology, said, "Our results demonstrate important but previously poorly understood links between breeding performance and winter distribution, with significant implications for populations. It is fascinating that successful and unsuccessful pairs nesting only a few metres apart in the colony can be separated by thousands of kilometres in the winter."

This study used a tiny instrument (1.4g) known as a geolocator for tracking animal migration. During the 2007 breeding season, the team fitted 80 kittiwakes on the Isle of May NNR off the east coast of Scotland, with geolocators.

Geolocators were developed by BAS and have so far been used on animals such as geese, albatrosses, penguins and seals. They make regular recordings of light intensity, data which can be used to generate two geographical positions per day.

Co-author Francis Daunt, a seabird ecologist also from the Centre for Ecology & Hydrology said, "Kittiwakes have declined substantially in the last 25 years over much of their range. Conservation efforts to protect wintering grounds should consider that winter distributions may be shifting as breeding failure is becoming more common."


Contact: Barnaby Smith
Centre for Ecology & Hydrology

Related biology news :

1. Plants remember winter to bloom in spring with help of special molecule
2. Researchers learn that genetics determine winter vitamin D status
3. Ocean conditions likely to reduce Colorado River flows during this winters drought
4. Winter drought stress can delay flowering, prevent fruit loss in orange crops
5. Many urban streams harmful to aquatic life following winter pavement deicing
6. Winter Olympics: Altitude affects skill sports, not just endurance events
7. City of Winter Park Looks to DigitalPersona Software for Stronger Security and CJIS Compliance
8. Where do puffins go in the winter?
9. Multiple health concerns surface as winter, vitamin D deficiences arrive
10. Unique winter-hardy hibiscus has roots with AgriLife Research scientist in Vernon
11. Highest ever winter water temperatures recorded
Post Your Comments:
Related Image:
Kittiwakes' trans-Atlantic winter odyssey linked to breeding success
(Date:5/16/2016)... , May 16, 2016   EyeLock LLC , ... announced the opening of an IoT Center of Excellence ... and expand the development of embedded iris biometric applications. ... level of convenience and security with unmatched biometric accuracy, ... identity aside from DNA. EyeLock,s platform uses video technology ...
(Date:5/3/2016)... , May 3, 2016  Neurotechnology, a provider ... MegaMatcher Automated Biometric Identification System (ABIS) , ... multi-biometric projects. MegaMatcher ABIS can process multiple complex ... any combination of fingerprint, face or iris biometrics. ... SDK and MegaMatcher Accelerator , which ...
(Date:4/26/2016)... and LONDON , April ... part of EdgeVerve Systems, a product subsidiary of ... today announced a partnership to integrate the Onegini ...      (Logo: ) ... their customers enhanced security to access and transact ...
Breaking Biology News(10 mins):
(Date:6/23/2016)... Md. , June 23, 2016 A person ... from the crime scene to track the criminal down. ... the U.S. Food and Drug Administration (FDA) uses DNA evidence ... Sound far-fetched? It,s not. The FDA ... sequencing to support investigations of foodborne illnesses. Put as simply ...
(Date:6/23/2016)... SAN FRANCISCO , June 23, 2016   ... it has secured $1 million in debt financing from ... to ramp up automation and to advance its drug ... for its new facility. "SVB has been ... goes beyond the services a traditional bank would provide," ...
(Date:6/23/2016)... , June 23, 2016  Blueprint Bio, a ... discoveries to the medical community, has closed its Series ... Matthew Nunez . "We have received a ... the capital we need to meet our current goals," ... provide us the runway to complete validation on the ...
(Date:6/23/2016)... ... June 23, 2016 , ... Velocity Products, a division ... tuned and optimized exclusively for Okuma CNC machining centers at The International Manufacturing ... collaboration among several companies with expertise in toolholding, cutting tools, machining dynamics and ...
Breaking Biology Technology: