This is a preview. Log in through your library . Abstract A new method to mark sperm transfer events between birds, using microspheres inserted into males' cloacae, was employed to assess the ...
This is a preview. Log in through your library . Abstract We collected and identified 1852 prey items from 89 boluses delivered to 62 nestling tree swallows (Tachycineta Bicolor) at 14 nests in an ...