5 pages matching primaries in this book
Results 1-3 of 5
What people are saying - Write a review
We haven't found any reviews in the usual places.
The Nesting Survey
33 other sections not shown
_]uly _]une Aberdeenshire adult plumage AGRICULTURAL RESEARCH COUNCIL agriculture April April 29 autumn average beech beech-mast Berkshire Berkshire downs breeding density breeding season broods cent cereals chicks conifer corn Corvidae counts cover crop contents damage Dandaleith December deciduous domestic pigeon Douglas ﬁr East eggs February feeding grounds ﬁeld ﬁeld observations ﬁg ﬁgures ﬁrst ﬁve ﬂedging ﬂight ﬂock-size ﬂowers Freq fret marks Fyvie gonad habitats harvest hatched increase January juvenile birds larch large ﬂocks large numbers Legumes March migration months mortality moult nestlings November Number Mean number of wood occurs October Ordiequish Oxford area Oxfordshire peas percentage period pigeon crops plantations population of wood primaries primarily proportion protein ratio roosting sample Scotland Scots pine Scottish seed Sept shooting shot Sitka spruce southern England species stubble Table tail feathers taken Total number trees weeds weeks weight wood pigeon population young wood pigeons