Daniel Parke Custis, the son, John Parke Custis, the grandson, and George Â¡Washington Parke Custis, the greatgrandson of John Custis of Williamsburg. DANIEL PARKE CUSTIS. Daniel Parke Custis, son of John Custis of Williamsburg and Frances. Parke was born at Queen's Creek plantation, October 15, 1711, being.
Perhaps one of the most effective, and certainly most bizarre, ways birds may rid themselves of parasites is to roll on ant hills, or on the ants themselves. It is believed that the formic acid that ants produce is a kind of pesticide for birds.
One of the great animal phenomena of the world is the congregation of large numbers of birds into a single group to sleep together. Such communal sleeping groups are known as roosts.. Many species roost in groups; such things as crows, robins, starlings, blackbirds, swallows, and herons. Another idea is that the birds get some protection from predators by being in a large group. 2  This is the wagontrain analogy: safety in numbers. 3  Crows are most afraid of large owls, and sleeping with a bunch of other crows could afford some protection for an individual crow.