IN reading the letters published in your last issues of NATURE with regard to the hovering of birds, it struck me that a very similar thing can be seen sometimes, among inanimate objects when an ...

I have always found it a bit odd hummingbirds weren't originally called "hoveringbirds." The 352 species in this family (Trochilidae) all hover, but I think you can debate whether or not they hum. The ...

This is a preview. Log in through your library . Abstract The long-standing paradigm that pollination systems adapted to hovering birds evolved only in the New World was recently challenged by the ...

Flying forward is hard enough, but flying nowhere, just hovering, is so much harder. Most bats and birds can manage the feat for only a few frantic seconds. Hovering means losing a useful aerodynamic ...

My wife Kathy aimed her camera toward the sky at a lovely white bird hovering over a coastal field, its wings fluttering in the breeze like a child’s paper kite. Perhaps that’s why the bird became ...

IN the letters on the above subject that have appeared in some recent numbers of NATURE, the writers lead us to believe that a current of air is necessary to enable a bird to “hover” or retain when on ...