Predators and Professors

But that's due to natural predators

Top predators, medium level predators, as well as sub surface pelagic and deep sea resources, show similar trends.

But most bats are voracious insect predators.

They have sex. They hide from predators.

New predators, hyenas, getting faster and faster still.

When you're small and vulnerable, like these starlings, or like the fish, it helps to swarm to avoid predators, to confuse predators.

Big predators became confined to isolated pockets of land.

So how are these fish, these predators going to help?

Well, it uses it to defend itself from its predators.

Like a lot of predators, they walk on their toes.

So predators like lions follow them, and this is what they do.

The shell protects the eggs from predators, bacteria, damage, and drying out.

In fact, much of Eurasia was populated by nomads, hunters and predators.

A poodle in the jungle would be an easy prey for the predators.

They could outsource all their problems protection from predators, food finding, health maintenance.

Now their main defense against pack hunting predators is to get into herds.

Plus, that puke attracts bigger predators who want to eat the shrimp's enemy.

They use it for finding food, for attracting mates, for defending against predators.

All rustles in the grass are dangerous predators and not just the wind.

And they go in the base of that pyramid, and they drift up they're passed up that way, on to predators and on to the top predators, and in so doing, they accumulate.

And they go in the base of that pyramid, and they drift up they're passed up that way, on to predators and on to the top predators, and in so doing, they accumulate.

So many large animals would have supported a large population of predators as well.

Some species of insect are able to autohaemorrhage when they are attacked by predators.

Well, for animals that are trying to avoid predators by staying in the darkness,

They could outsource all their problems protection from predators, food finding ... (Laughter) ... health maintenance.

The good news is that, in addition to having more predators, there's more of everything.

Young icefish hide in small ice holes to avoid predators, while a variety of invertebrates,

Fish shoals like these seek refuge from open ocean predators by keeping near the shoreline

Sometimes they don't want to be seen when they move, because predators can see them.

It was presumably introduced into Guam via military cargo and has no natural predators in Guam.

You see, unlike other predators, grizzlies have diverse diets that can include up to 90 vegetation.

As I say, it's just those three simple rules, plus the one about watch out for predators.

The effect, the payback, perhaps, for years of vampire predators like Bernie Madoff, whom we saw earlier.

Here's an octopus. Sometimes they don't want to be seen when they move because predators can see them.

Its president Bashar Al Assad is also regarded as one of the world s 38 Predators of Press freedom .

They are the biggest apex predators of the savannas where they hunt and feed on zebras and antelopes.

So what we can see on this moving ocean is we can finally see where the predators are.

We've heard about the Tagging of Pacific Predators project, one of the 17 Census of Marine Life projects.

First of all, your pyramid, your inverted pyramid, showing 85 percent biomass in the predators, that seems impossible.

They have been rarely photographed, partly because they are considered one of the most dangerous predators in the ocean.

It's got to be on the lookout for predators, or for friends, conspecifics, or whatever else is going on.

And when that happens, these very dense aggregations of phytoplankton attract their predators, which themselves form very dense layers.

But the problem is that nowadays, predators aren't much of an issue, but we still have the same brains.

But what of those big predators, those fashionable species, that green list tuna that I was talking about earlier?