Last spring, Katie Kring-Schreifels noticed two mourning doves fluttering in the maple tree outside her bedroom window. With the help of binoculars, over the course of several weeks she watched as the ...

Is your feature request related to a problem? Please describe. when browsing trough the tree, i use ctrl+click to go to sub-tree's. however to be able to actually look at the variables of that tree i ...