Sentences with phrase «seabirds called»

But it's different for endangered seabirds called roseate terns, according to research presented here on 7 August at the annual meeting of the Ecological Society of America.

The crab inched towards a common seabird called a red - footed booby (Sula sula), which was asleep in a nest near ground level.

«Recording seabird calls for a few months is the easy part — but making sense of 1000s of hours of sound recording is quite tricky» says Oppel.

Thousands of seabirds call this area home and fill the skies and sea rocks.

Park officials had said they needed to get rid of the rats, which are not native to the islands, to protect several native species, particularly a small seabird called the Xantus» murrelet, whose eggs the rodents devour.

Not exact matches

The so - called «walls of death» drift nets used in the Pacific, which can sometimes extend for 50 kilometres, inadvertently catch large numbers of whales, seabirds and unwanted fish.

By using isotopic tracers called stable isotopes, researchers showed that seabirds feeding in areas rich in sulfate (a chemical that is an important food for sulfate - reducing bacteria that help break down organic matter) had high levels of mercury.

Now a study has identified what appears to be a universal threshold for danger: when the biomass of so - called forage fish drops below one - third of its maximum, seabirds of many species start to have fewer chicks.

With the water gently rocking the yachts, the clacking of the rigging on masts, the jumping of fish only feet away, the call of the seabirds and the conversation with the occasional sailer departing or arriving, makes it a wonderful experience to paint by the waters edge no matter how far inland.