Evening Republican, Volume 21, Number 196, Rensselaer, Jasper County, 4 September 1917 — Birds Weigh Themselves. [ARTICLE]

Birds Weigh Themselves.

An ingenious naturalist has been making the tomtits record their weight. In order to obtain the food which he places for them they have to alight upon what appears to be a twig, but is in reality the beam of a tiny scale. As they rest upon it, so they register their weight, which averages about one-third of an ounce per bird —48 tomtits to the pound! „