HOME >> BIOLOGY >> NEWS
Fragmented Forest, Fragmented Food

Each year, as the world's forested areas become more and more fragmented, ornithologists become more and more alarmed. Many forest songbirds occur less often than expected in small forest fragments. Part of the problem, researchers determined a few years ago, is that forest fragments and edges contain larger numbers of brood parasites, such as the brown-headed cowbird. Now, a team of scientists working in Australia has also discovered that forest fragments may not offer enough food for some songbirds.

Working in forested areas in the southeastern corner of Australia, Liana Zanette (University of British Columbia) and her two colleagues, Paul Doyle and Steve Tremont (University of New England in New South Wales) studied the nesting and feeding habits of the Eastern Yellow Robin (Eopsaltria australis) in forest fragments both large and small. As a part of their study they also examined the type and amount of food available to these birds in the different sizes of forest plots, to see if food would make any difference to the birds' ability to successfully reproduce. The results of their study appear in this month's Ecology (volume 81 issue 6) , a journal published by the Ecological Society of America.

Yellow Robins have a reproductive life history similar to many of the forest-interior migrant birds currently of conservation concern in North America. They lay relatively small clutches of eggs and have short nesting cycles. Their nests are often found in tree forks or bushes about three meters off the ground. While female Yellow Robins incubate their eggs, male Yellow Robins forage for food. The male will bring food to his mate and will also bring food to the young nestlings once they have hatched. Occasionally, the female will leave the nest to search for her own food. She usually also helps find food for the nestlings late in the nesting period. Yellow Robins employ a "sit and wait" foraging tactic to capture insects and small lizard
'"/>

Contact: Alison Gillespie
alison@esa.org
202-833-8773 ext.211
Ecological Society of America
5-Jun-2000


Page: 1 2 3

Related biology news :

1. Crater Chain On Two Continents Points To Impact From Fragmented Comet: 214Million Year-Old Event Corresponds With Mass Extinction
2. Wake Forest, Pittsburgh doctors find gene behind two kidney diseases

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:1/21/2016)... , January 21, 2016 ... a new market research report "Emotion Detection and Recognition ... Software Tools (Facial Expression, Voice Recognition and Others), ... Global forecast to 2020", published by MarketsandMarkets, the ... to reach USD 22.65 Billion by 2020, at ...
(Date:1/20/2016)... , Jan. 20, 2016   MedNet Solutions , ... entire spectrum of clinical research, is pleased to announce ... significant achievements are the result of the company,s laser ... iMedNet eClinical , it,s comprehensive, easy-to-use and highly ... --> Key MedNet growth achievements in 2015 ...
(Date:1/18/2016)... 18, 2016  Extenua Inc., a pioneering developer ... use and access of ubiquitous on-premise and cloud ... American Cyber.  ... transformational C4ISR and Cyber initiatives in support of ... proven technology solutions," said Steve Visconti , ...
Breaking Biology News(10 mins):
(Date:2/10/2016)... 10, 2016 Early-career researchers from ... Peru , Uganda and Yemen ... health and nutrition   Indonesia , ... and Yemen are being honored for their ... are also celebrated for mentoring young women scientists who are pursuing careers ...
(Date:2/10/2016)... (NYSE MKT: ISR), a medical technology company and innovator ... treatment of prostate, brain, lung, head and neck and ... second quarter and six months of fiscal 2016, which ... --> Revenue was $1.19 million for ... 31, 2015, a 12% increase compared to $1.07 million ...
(Date:2/10/2016)... ... February 10, 2016 , ... LATHAM, NEW YORK... Marktech Optoelectronics ... West conference in San Francisco’s Moscone Center from February 16-18, 2016, and at ... , These latest InGaAs PIN diode standard packages feature a TO-46 metal can with ...
(Date:2/10/2016)... CA (PRWEB) , ... February 10, 2016 , ... Cenna ... agents for the treatment of Alzheimer’s disease, announced today it has been selected to ... 18th at the Breakers in Palm Beach, Florida. The purpose of the Forum ...
Breaking Biology Technology:
Cached News: