They are also very important in the stomach of young mammals as they digest their mothers' milk.
Fortunately the weather is mild and spring has set in which means that there will be prey about - young mammals and so on.
Earthworms are their most important food source, followed by large insects, small or young mammals, carrion, cereals, fruit and underground storage organs.
By the 1850's, children were often seen as part of nature's bounty, attended by other young mammals, or by flowers that suggested fleeting youth.
Against every odd in the galaxy, we have succoured a young mammal.
It is the primary source of nutrition for young mammals before they are able to digest other types of food.
On smaller watercourses, where birds are not readily available, the summer usually brings a flush of young mammals to fill the gap.
Young Swainson's Hawks are fed small, young mammals.
Play is almost universal in very young mammals, and also in some groups of birds such as parrots and ravens.
The Librarian had tipped up the leather bag lying by the fire and was testing the contents for taste, in the way of young mammals everywhere.