I'm less likely to forage.

It's two breeding cycles for maize.

They have to forage for food.

Like everyone else, we grew maize.

Ethiopian maize farmers produced two years of bumper harvest.

The forage has been displaced to a new position.

What we've got is a burrow. That's where the forage was.

led to an 80 percent collapse in maize prices in the country.

Look, today was 'sea harvest' so let's go forage for edible plants tomorrow!

The farmers get three to four times the yields that they would with maize.

That's where the tuna wants to go it wants to forage on schools of herring but it can't get there.

In Ethiopia, for example, the variation in maize prices from year to year is as much as 50 percent annually.

The next three biscuits are the foods that we decide to feed to livestock, the maize, the wheat and the soya.

By 2030, if the maize, or corn, varieties, which is the dominant crop 50 percent of the nutrition in Southern Africa are still in the field in 2030, we'll have a 30 percent decrease in production of maize because of the climate change already in 2030.

And they forage maybe for about 20 meters away, gather up the seeds and bring them back to the nest, and store them.

Ethiopia's agricultural market is 30 percent higher than South Africa's grain production, and, in fact, Ethiopia is the second largest maize producer in Africa.

Like I just said, if there is more food to collect, the patrollers, the midden workers, the nest maintenance workers will all change to forage.

And scientists have begun to understand how spatial memory works by recording from individual neurons in rats or mice while they forage or explore an environment

I don't say let's go back to the Copper Canyons and live on corn and maize, which is the Tarahumara's preferred diet, but maybe there's somewhere in between.

It so happens that millions of albatross nesting on Kure and Midway atolls in the Northwest Hawaiian Islands National Monument forage here and scavenge whatever they can find for regurgitation to their chicks.

And he doesn't like this first position, but he comes up with a second position, and about 50 minutes later, that nest is finished, and he heads off to forage and provision at a pile of dry dung pellets.

If you include not just the food that ends up in shops and restaurants, but also the food that people feed to livestock, the maize, the soy, the wheat, that humans could eat but choose to fatten livestock instead to produce increasing amounts of meat and dairy products, what you find is that most rich countries have between three and four times the amount of food that their population needs to feed itself.