Wordnet angielsko-polski 
                        (common harrier of North America and Europe
nests in marshes and open land) 
błotniak zbożowy 
synonim: marsh hawk
synonim: northern harrier
synonim: hen harrier
(common harrier of North America and Europe
nests in marshes and open land) 
błotniak zbożowy 
synonim: marsh hawk
synonim: northern harrier
synonim: hen harrier