The practice of regularly feeding them did not begin until the 1960s.
Always associated with trees, though some species regularly feed on ground.
They do not age and need to regularly feed on blood to sustain themselves.
They would stay awake for thousands of hours just to be fed regularly.
But if they're fed regularly they don't graze all the time.
They usually feed regularly during the day, but sometimes have nocturnal activity.
Relatives said she regularly fed Tyler, her first and only child.
This means that it has to be fed and watered regularly.
He says he has been treated well and fed regularly.
Others were regularly fed small quantities of cement or clay.