What’s more, large whales can migrate thousands of miles to take advantage of seasonally abundant food supplies.

The ship offered all the comforts of a pre-war cruise liner - deck games and abundant food - and the weather was balmy.

There are two ways to try to achieve both abundant food and resurgent wildlife in the 21st century.

Raw cranberries and cranberry juice are abundant food sources of polyphenols such as proanthocyanidins, flavonols and quercetin.

Even though territories were owned there was substantial movement and migration by bands to utilise and share abundant food resources in particular seasons.