( ( ( ( ( I ( ( ca n't ) ( see ( ( many species ) ( ( ( ( breeding ( in ( winter ( in Stockholm ) ) ) ) , ) though ) ( with ( ( a ( mild winter ) ) ( in ( ( ( East Anglia ) , ) ( ( ( England more ) species ) ( can breed ) ) ) ) ) ) ) ) ) ) ) and ) thus ) ( you ( always ( get ( birds ( that ( ( do n't ) ( follow ( the rules ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP I)) (VP (MD ca) (RB n't) (VP (VB see) (NP (NP (JJ many) (NNS species)) (VP (VBG breeding) (PP (IN in) (NP (NP (NN winter)) (PP (IN in) (NP (NNP Stockholm))))) (, ,) (ADVP (RB though)) (PP (IN with) (NP (NP (DT a) (JJ mild) (NN winter)) (PP (IN in) (NP (NP (NNP East) (NNP Anglia)) (, ,) (SBAR (WHNP (WP$ England) (JJR more) (NNS species)) (S (VP (MD can) (VP (VB breed)))))))))))))) (CC and) (RB thus) (S (NP (PRP you)) (ADVP (RB always)) (VP (VBP get) (NP (NP (NNS birds)) (SBAR (WHNP (WDT that)) (S (VP (VBP do) (RB n't) (VP (VB follow) (NP (DT the) (NNS rules))))))))) (. .)))
I can't see many species breeding in winter in Stockholm, though with a mild winter in East Anglia, England more species can breed and thus you always get birds that don't follow the rules.
(ROOT (S (NP (NP (JJ Many) (NNS species)) (PP (IN of) (NP (NP (NNS birds)) (PP (IN in) (NP (JJ new) (NN england)))))) (VP (VBP fly) (ADVP (RB south) (PP (IN for) (NP (DT the) (NN winter) (NNS months)))) (S (VP (TO to) (VP (VB find) (NP (DT an) (NN environment)) (PP (IN with) (NP (JJR more) (NN food))))))) (. .)))