Page 2 - Tooth Fish News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> anthony: so you're tagging the young ones? >> david: right. >> anthony: do you follow them through their entire life? i mean essentially -- >> david: yeah, this year we've got a bunch of individuals that are 20 years old. >> anthony: why penguins, what brought you to penguins initially? >> david: well, this kind of penguin does everything with no secrets. if you ask the right question and you're creative enough they're going to give you the answer without a lot of guessing. what really interests me is the relationship of these penguins to the ocean and how they fit into the food web. during...

Through their entire life? i mean essentially -- >> david: yeah, this year we've got a bunch of individuals that are 20 years old. >> anthony: why penguins, what brought you to penguin initially? >> david: well this kind of penguin does everything with no secrets. if you ask the right question and you're creative enough they're going to give you the answer without a lot of guessing. what really interests me is the relationship of the penguins to the ocean and how they fit into the food web. during the 90's, small colonies like cape royds were increasing much faster than the large colonies wher...

Studying this colony for 20 years. >> anthony: so you're tagging the young ones? >> david: right. >> anthony: do you follow them through their entire life? i mean essentially -- >> david: yeah, this year we've got a bunch of individuals that are 20 years old. >> anthony: why penguins, what brought you to penguin initially? >> david: well this kind of penguin does everything with no secrets. if you ask the right question and you're creative enough they're going to give you the answer without a lot of guessing. what really interests me is the relationship of the penguins to the ocean and how the...

I mean essentially -- >> david: yeah, this year we've got a bunch of individuals that are 20 years old. >> anthony: why penguins, what brought you to penguin initially? >> david: well this kind of penguin does everything with no secrets. if you ask the right question and you're creative enough they're going to give you the answer without a lot of guessing. what really interests me is the relationship of the penguins to the ocean and how they fit into the food web. during the 90's, small colonies like cape royds were increasing much faster than the large colonies where the competition for food ...

We think it's because of the fishery of antarctic tooth fish. the tooth fish and the penguin eat the same prey. so now there are more fish available for the adults to capture and feed to their chicks. >> anthony: so there's less competition, therefore more of the same prey available? >> david: yeah. >> anthony: i haven't seen a lot of them going into the water, but their looking for some indicator that there are fish in there. >> david: they're afraid to cross the ice crack because leopard seals might be in them. they're very hesitant so then finally they make the plunge. >> anthony: i mean, t...