Yes those are well known aggressive behaviors - territorial disputes. Here are a few examples: _http://www.pbase.com/mbb/wilsons_snipe__cocked_tail_display_ (http://www.pbase.com/mbb/wilsons_snipe__cocked_tail_display) _http://www.pbase.com/mbb/wilsons_snipe__intraspecific_aggression___cocked_t ail_and_spar_ (http://www.pbase.com/mbb/wilsons_snipe__intraspecific_aggression___cocked_tail_and_spar) _http://www.pbase.com/mbb/wilsons_snipe__intraspecific_aggression__physical_ fights__str_ (http://www.pbase.com/mbb/wilsons_snipe__intraspecific_aggression__physical_fights__str) _http://www.pbase.com/mbb/wilsons_snipe___alert_posture_ (http://www.pbase.com/mbb/wilsons_snipe___alert_posture) _http://www.pbase.com/mbb/wilsons_snipe___flutter_leap_ (http://www.pbase.com/mbb/wilsons_snipe___flutter_leap) And yes, those behaviors are not easy to observe and/or photograph. All the best,, Mark B Bartosik Houston, Texas _http://www.pbase.com/mbb/from_the_field_ (http://www.pbase.com/mbb/from_the_field) In a message dated 1/5/2013 12:48:11 A.M. Central Standard Time, jamesagiroux@xxxxxxxxx writes: I was out birding near some flooded fields in Waller County over the holidays, and observed some interesting Wilson Snipe behavior. Two birds were flapping at each other with tail feathers sticking straight up (like a Carolina Wren). It appeared to be courtship behavior, but then I realized it was December. So, perhaps a territory dispute. Edit your Freelists account settings for TEXBIRDS at //www.freelists.org/list/texbirds Reposting of traffic from TEXBIRDS is prohibited without seeking permission from the List Owner