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Birdwatcher:
What a good post, muchas gracias. I too am a bird watcher but certainly not at your level in terms of ornithological savvy and expertise. I also belong to the club "All of Humanity".
Keep up the excellent posts, por favor.

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Those 30mph winds hit the Sabine Woods early this AM.


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Any signs of a die off or is it too early to tell?

Can they see flocks stall and drop off radar over the water?


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Also interesting is the study they did on large tiger sharks in the Gulf. During these events the sharks cruise the surface, sipping songbirds off the surface like trout in a mayfly hatch. Mother Nature is hard, but nothing goes to waste.


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Wondering how this turned out.

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How useful is this concerning specifics, such as Dove migration, or Canada geese migration?

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Originally Posted by Lslite
Also interesting is the study they did on large tiger sharks in the Gulf. During these events the sharks cruise the surface, sipping songbirds off the surface like trout in a mayfly hatch. Mother Nature is hard, but nothing goes to waste.


Humm, fly fishing for Blacktips comes to mind...

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Originally Posted by OldmanoftheSea
So quick question.... When the barometric drop sense of most animals kicks in don't they seek shelter and hunker down?

To the contrary. Usually that drop in air pressure triggers a lot more activity and it keeps up until the storm is very imminent. It seems to be common behavior to birds, mammals and fish. The do just like people when a storm is coming. They go out and lay in some groceries until it's time to get under cover. By far, my favorite time to be sitting in the deer stand is when a good snow storm is coming in and it has started showing. Fishing, I prefer to get off the water before the rain hits, and damn sure before the lightning. My wife knows that if I am hunting in those conditions and I don't already have one hanging that I will stay until the end of legal time, and if I am late I have one. Having been through several tornadoes with me and knowing that I've stayed out fishing and ridden out a few tornadoes, she knows severity of the storm doesn't matter to me or whatever I am hunting or fishing for.

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Originally Posted by Lslite
Also interesting is the study they did on large tiger sharks in the Gulf. During these events the sharks cruise the surface, sipping songbirds off the surface like trout in a mayfly hatch. Mother Nature is hard, but nothing goes to waste.


Did not know this, but here’s a link on the topic. 40% of young tiger sharks caught and released off the coast of Alabama had songbird feathers in their stomachs, so it’s not just an occasional event. An inevitable event at the best of times given the sheer volume a songbirds making the trip. IIRC the Yucatán to the Alabama coast is about 500 miles of open ocean.

LINK


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Originally Posted by Elkhunter49
Originally Posted by Birdwatcher
Most songbirds migrate at night, flight speed maybe 25mph for the smallest to 40 for the bigger ones.

Based on weather radar returns ( dots on the map) an estimated 340 million migrants were/are in the air last night, riding favorable winds in clear skies, most coming in from the Gulf of Mexico up from the Yucatán. This is peak migration season.

https://birdcast.info/migration-tools/live-migration-maps/

[Linked Image from i.postimg.cc]

Actually, even given such numbers, they’re not always that visible on the ground the next day because they come down scattered pretty thin over the landscape.

THIS is what is forecast to happen along the coast tonight, in the case Corpus Christi: Strong cold front w/thunderstorms. Nearly perfect timing (a bit earlier in the night might be better). Southerly winds pushing birds north over the Gulf abruptly doing a 180 with heavy rain.

[Linked Image from i.postimg.cc]

Which means if you’re a songbird over open water, your forward progress is gonna slow to little or none while getting hammered from above. This is what Windy.com predicts for Saturday morning; songbird catastrophe.

[Linked Image from i.postimg.cc]

And here is the predicted migrant forecast for tonight as the front approaches the coast….

[Linked Image from i.postimg.cc]

If this were a computer simulation, picture maybe 100 million little dots creeping north, then piling up against that cold front and getting scattered all over. Birds don’t get tired, they fly until they run out of fuel. Those over land or lucky enough to make landfall land immediately.

Always a crapshoot but conditions are right for what is called a “fallout”, best I’ve seen in years. In a big one birds are everywhere, practically every bush and tree. Ever’body and their brother into birds is gonna be at the coast with binocs in the morning. Could be spectacular.


This is very interesting to me sir, thank you for sharing the info with us. My wife and I went to Grand Isle, Louisiana several weeks ago to catch some of the early arrivals. I hope most of the birds make it tonight but as we know, mother nature is a cruel bitch. Here's a few pics from Grand Isle.

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

Great photos, I tried a few with my iphone8 but they sucked of course 🙂

Most of the birds leaving the Yucatán are headed to forests east of the Mississippi so as you prob’ly know Grand Island is right in the crosshairs. Out here around the Coastal Bend area of Texas we don’t get the numbers Louisiana does and we still get hordes.


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Originally Posted by SupFoo
How useful is this concerning specifics, such as Dove migration, or Canada geese migration?

That is a problem.

All I’m gonna tell ya is John James Audubon hisself did his best work with a shotgun wink


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Originally Posted by Aviator
Wondering how this turned out.

Cutting to the chase, a great birding day at the coast, on the barrier islands (Mustang Island in this case) every patch of scrub, tree weeds and brush harbored sundry forest songbirds way out of their usual context.

But end of April you can find that any time the winds turn contrary, not just major gale events. No windrows of dead birds on the beach.

Most migrants make landfall around Corpus in the afternoon, having presumably took fight from points south shortly after dark the previous evening.This is what the winds looked like around noon Saturday: Worst case scenario from a songbird perspective, gale force NW winds pushing them directly away from land right in the middle of peak migration. No way of directly quantifying the losses that I’m aware of, but it was prob’ly a good day for the fishes.

[Linked Image from i.postimg.cc]


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It was wicked here last night.

35 mph winds with gusts strong enough to topple trees with the rain soaked ground.

Enough of a wind driven tidal surge to have me calling neighbors at 3 AM to move their vehicles to high ground.

Bad night to be flying.

Got chainsaw work today.

Winds still whipping it up..

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Some photos from Saturday, iphone8s aren’t ordinarily recommended for this 🙂

Two black-throated green warblers down by my feet, headed for mixed hardwood forest canopy somewhere up north.

[Linked Image from i.postimg.cc]

[Linked Image from i.postimg.cc]

Same chainlink fence, chestnut-sided warbler, reach out and touch distance, same woodlands but more of a forest edge and early succession species.

[Linked Image from i.postimg.cc]

A grainy photo even by my standards but this guy trying to forage in a small mesquite was special. This is a bay-breasted warbler headed way up to the great Canuck northwoods. Up there he’s gonna look for a spruce budworm outbreak, as natural as forest fires, where amid a superabundance of food he can raise as many as nine fledglings, more’n twice the norm. But, first he’s gotta find an outbreak.

[Linked Image from i.postimg.cc]

Tried a bunch of shots, these were the most legible. Most birders pack serious cameras now. This is a minuscule sampling of just three species, at this season the whole barrier island can get inundated.


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great info and photos.

Norm


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Great thread, thanks Birdwatcher.

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Originally Posted by JeffA
It was wicked here last night.

35 mph winds with gusts strong enough to topple trees with the rain soaked ground.

Enough of a wind driven tidal surge to have me calling neighbors at 3 AM to move their vehicles to high ground.

Bad night to be flying.

Got chainsaw work today.

Winds still whipping it up..

Conventional estimates had it 40 million songbirds over the Gulf at any given time about now, this one-event loss could easily run that high.

OTOH for any given species individual birds can be observed arriving over a period of a month or so, observations typically peaking in a given week each year characteristic of that species. But no species puts all its eggs in one basket, so to speak. For example grosbeaks, orioles and Ruby-throated hummingbirds were present in numbers yesterday, but IIRC the first ones over are already reaching Canada already

Last couple of years was uninterrupted south winds accompanied by an ongoing drought. I have heard this was linked to an ongoing La Niña occurring in the Pacific. So spring birding was way down too on the Texas Coast, given a tailwind the birds continue on inland. How these same birds fared where they eventually landed given a reduced food supply due to the drought is a whole ‘nother question. Ruby-throats woulda been SOL trying to pass through my neck of the woods.

It’s a complicated issue.


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Originally Posted by Birdwatcher
Originally Posted by JeffA
It was wicked here last night.

35 mph winds with gusts strong enough to topple trees with the rain soaked ground.

Enough of a wind driven tidal surge to have me calling neighbors at 3 AM to move their vehicles to high ground.

Bad night to be flying.

Got chainsaw work today.

Winds still whipping it up..

Conventional estimates had it 40 million songbirds over the Gulf at any given time about now, this one-event loss could easily run that high.

OTOH for any given species individual birds can be observed arriving over a period of a month or so, observations typically peaking in a given week each year characteristic of that species. But no species puts all its eggs in one basket, so to speak. For example grosbeaks, orioles and Ruby-throated hummingbirds were present in numbers yesterday, but IIRC the first ones over are already reaching Canada already

Last couple of years was uninterrupted south winds accompanied by an ongoing drought. I have heard this was linked to an ongoing La Niña occurring in the Pacific. So spring birding was way down too on the Texas Coast, given a tailwind the birds continue on inland. How these same birds fared where they eventually landed given a reduced food supply due to the drought is a whole ‘nother question. Ruby-throats woulda been SOL trying to pass through my neck of the woods.

It’s a complicated issue.
Is there any information on the impact of feeders on the birds ? I keep two hummingbird feeders and two seed feeders running. I do it for my own entertainment but it would be nice if it actually helps the birds.


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Often the surface wind direction and speed does not reflect whats going on aloft. I won't try and go into it but inversions, boundary layers, and low level jets play a big role. Winds may be N at ground; SW at 500 meters, and S at 1500 meters just for example. Its not just birds doing these flights...massive numbers of insects are transported by Gulf Return Frontal movements as well. As such, the birds are following the food.

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Hummingbirds must have a memory. I’ve had a feeder up for two years but the one from last year was toast at the end of year and I was late in getting one up this year. A month or so ago I started noticing a few coming up to the spot hovering and looking for the feeder. I finally got around to putting one up three or four days ago and had birds on it within five or ten minutes.

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