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Gulls are kleptoparasites, they steal from others. I first recognized this behavior while paddling in the gulf and noticing the gulls hanging around the brown pelicans that were diving and fishing. As soon as a pelican's pouch was full of fish, the gull swooped in attempting to capture the tiny fish that somehow would escape the pelicans pouch. I have watch gulls flying around a large raft of cormorants swimming in the shallow waters of Biscayne Bay. While the cormorants seemingly did nothing but drift, the gulls busily dove amongst them searching for food. I have sat in my canoe on the mudflat of Florida Bay near Flamingo where dozens of snowy egrets were foraging all around. Gulls were in great number and as soon as an egret captured something edible, one or two gulls would come after the bird; a chase would ensue in air and many times, the larger gull would get the goods.
Because of their common presence and social behaviors, gulls offer very interesting photographic opportunities. And sometimes, they present color (like the laughing gull in breeding plumage). Observe their social activities and what is often considered annoying becomes an interesting display of behavior that can only be captured frozen in time. Their interactions with each other always include facial expressions that are fierce and sharp with redness. The wing span displays a delicate design of grayscale from 0 to 255. Fear demonstrated in the face of one bird is palpable when another bird attacks its space, challenging its defense.
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A few egrets, herons and ibises were foraging around as usual. But something much less usual was happening. The laughing gulls were flying in and landing in the grasses. Not long before 9 am, there must have been 300 gulls standing in the grassy water. For the most part, they were just standing and resting. But frequently, few would get into a tussle. Gulls continued to fly in and out. They appeared to not be doing anything but resting. Occasionally, one would swoop down at the grass and pick something up. But mostly, they were just standing, all facing east toward the wind.
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That was on Saturday. I was back at the same place on Sunday, expecting to see the same thing, except the low tide was 1 hr later. Not one gull landed on the flats as the water levels sunk before 10 am. Not one. There were plenty of them flying over head, but not once did they stop. What was different about this day? What drives these birds to do what they do? It just goes to show you, you can visit the same place day in and day out but nothing is exactly repeated. So many variables, many of which we do not understand. That's what brings me back, again and again. Just like the fisherman that chases the bonefish day in and day out on this bay, I will attempt to learn it; and enjoy every moment of it even if I never figure it out.
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