Thanks for your comments. I now know that Ibi and NHerons are in the same order. Joe
On Tue, Sep 9, 2014 at 10:56 PM, Nick Komar <[email protected]> wrote: > I believe it was the depth. They were attracted by the hordes of gulls. > They circled around the gull flock several times before landing. They > probable were hoping for a submerged sand bar. > > Nick Komar > Fort Collins CO > > Sent from my iPhone > > On Sep 9, 2014, at 10:50 PM, Deborah Carstensen <[email protected]> > wrote: > > Were they uncomfortable with the depth of the water or the sudden > realization of the company they were keeping? Deb Carstensen, Littleton > > Sent from my iPhone > > On Sep 9, 2014, at 9:33 PM, Nick Komar <[email protected]> wrote: > > I did observe an entire flock of white-faced ibis (same order as > night-herons: Ciconiiformes) land in the center of a deep lake, joining a > communal roost of gulls. They seemed very uncomfortable and almost > immediately took off again. > > Nick Komar > Fort Collins CO > > Sent from my iPhone > > On Sep 7, 2014, at 12:53 PM, Joe Roller <[email protected]> wrote: > > I have been stopping by Grasmere Lake, the southern water body in > Washington Park, at Downing and Louisiana, almost daily for a couple of > weeks, counting American White Pelicans as their numbers grow - from 4 to > 21, now plateauing around 19-21. > > While there this morning I saw an adult Black-crowned Night Heron > (hereafter BCNH) floating on the water! > > It took me a while to figure out what family this bird was in, let alone > species. It was somewhat loon-like, but the thick dagger bill, black crown > and gray wings convinced me otherwise. The body was held horizontally, the > bill parallel to the water. I watched it for a minute, as it floated, not > fishing or swimming. I ran around the south end to get a better look, and > by that time it had resumed its normal vertical or hunched position on > branches at the water's edge near it's 3 or 4 off-spring. I looked it up: > > This from the *Florida Natualist,* Fall, 1973, James Kushlan: > > Five feeding methods have been previously described for the species: > > Stand and Wait* & > > Walk Slowly being the most common; > > Bill-vibrating, standing in shallow water while rapidly vibrating the bill > at the surface, (Stone, 1937; Drinkwater, 1958); > > Hovering, flying in place above the surface and catching prey without > settling into the water (Meyerriecks. 1960); and > > * Swimming- feeding, alighting on the water and catching prey while afloat > (Wetmore, 1920). * > > In this article, Kushlan describes "plunge-diving" from the air as a 6th > feeding behavior. > > Has anyone observed the floating or swimming behavior of Night-Herons? > > Intriguing, I thought. > > > * Milton - "They also serve who only stand and wait." > > > Joe Roller, > > Denver > > > > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/CAJpZcUBPSvAdV1_20aKqJiKnMirJSq-FryJ7n6nUe1ByDb7j4w%40mail.gmail.com > <https://groups.google.com/d/msgid/cobirds/CAJpZcUBPSvAdV1_20aKqJiKnMirJSq-FryJ7n6nUe1ByDb7j4w%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/017D1F1C-1ED0-47CD-9C42-79EDC003F2B9%40comcast.net > <https://groups.google.com/d/msgid/cobirds/017D1F1C-1ED0-47CD-9C42-79EDC003F2B9%40comcast.net?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "Colorado Birds" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/cobirds/31DFDD32-8390-420F-A42D-AB63854E5850%40comcast.net > <https://groups.google.com/d/msgid/cobirds/31DFDD32-8390-420F-A42D-AB63854E5850%40comcast.net?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Colorado Birds" group. 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