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To find out how invading predators change an ecosystem, watch their prey（图）
invading predators change ecosystem watch their prey
2019/10/28
Invading predators can devastate an ecosystem. In fact, a leading cause of extinction is the introduction of predators into an isolated place like an island or a lake.The destruction is usually blamed...
Drill holes in fossil shells point to bigger predators picking on small prey
Drill holes fossil shells point predators picking small prey
2017/7/21
The drill holes left in fossil shells by hunters such as snails and slugs show marine predators have grown steadily bigger and more powerful over time but stuck to picking off small prey, rather than ...
In Harm's Way:Wolves May Not Risk 'Prey Switching' say USU Ecologists
Wolves May Not Risk Prey Switching USU Ecologists
2017/4/27
Ecologists have long observed predators pursue disproportionately more of a plentiful prey species, and less of scarce prey, but change to the latter if it becomes relatively more abundant. Known as “...
Usual prey gone, a fish survives by changing predictably
prey gone fish survives changing predictably
2015/3/18
CLEVELAND—A species of fish that normally eats smaller fish changes in predictable ways when isolated from its prey, research led by a Case Western Reserve University biologist found.Without the Baham...
Sharks sense prey in surprising ways during pioneering study
Sharks sense prey in surprising ways during pioneering study
2014/4/16
A team of scientists have unmasked the intricacies of how sharks hunt prey — from the first whiff to the final chomp —in a new study about shark senses that was supported by the National Science Found...
New DNA database to protect endangered birds of prey（图）
DNA Nottingham Trent University endangered birds of prey
2009/5/4
The collaboration - thought to be the first of its kind in the UK – will catalogue DNA profiles from genetic material extracted from feathers, cheek swabs, droppings and even egg shell. DNA samples wi...
From Prey to Digital Predator?
the newspaper industry digital newspapers World Association of Newspapers
2006/11/16
Don’t fear mistakes and be free to innovate. That was the message that emerged from the World Digital Publishing Conference, which showed that an era of change is well underway for digital newspapers,...