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Showing results 1 to 25 of 1000
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Search: Posts Made By: njlarsen
Forum: Bird Taxonomy and Nomenclature Friday 18th May 2018, 17:26
Replies: 39
Views: 6,899
Posted By njlarsen
I am not sure what you mean: at the species...

I am not sure what you mean: at the species level? at the subspecies level?

Niels
Forum: Bird Identification Q&A Tuesday 15th May 2018, 19:40
Replies: 7
Views: 148
Posted By njlarsen
Regarding the possible Ash-throated: any chance...

Regarding the possible Ash-throated: any chance of seeing the underside of the tail?

Niels
Forum: Bird Identification Q&A Tuesday 15th May 2018, 18:41
Replies: 5
Views: 172
Posted By njlarsen
So you are saying that the color was noticeable...

So you are saying that the color was noticeable in the field, so we can exclude photo artifacts?

In that case, could it be that this bird has visited a location with more iron or other stuff in the...
Forum: Bird Identification Q&A Monday 14th May 2018, 22:02
Replies: 6
Views: 375
Posted By njlarsen
IF the usage had been for the thing most of us do...

IF the usage had been for the thing most of us do (have the hobby of birdwatching, having several hobbies) then you are certainly right. I am curious to see if the majority thinks it is the same...
Forum: Mexico Monday 14th May 2018, 20:32
Replies: 3
Views: 98
Posted By njlarsen
Tulum seems to be a major tourist attraction so I...

Tulum seems to be a major tourist attraction so I would be surprised if you cannot find something around there. The hotel strip in Cancun itself is uninspiring, some of the larger resorts further...
Forum: Bird Identification Q&A Sunday 13th May 2018, 23:52
Replies: 6
Views: 144
Posted By njlarsen
This is a little funny, because I do not...

This is a little funny, because I do not recognize that tail as typical for the Broad-wings I most often have seen: Caribbean birds in Dominica (there is at least one additional prominent pale band...
Forum: Bird Identification Q&A Sunday 13th May 2018, 23:43
Replies: 8
Views: 175
Posted By njlarsen
More guesses than certainty: which brown wren is...

More guesses than certainty: which brown wren is more likely in that county? And I think crow for the larger bird

Niels
Forum: Bird Identification Q&A Sunday 13th May 2018, 14:26
Replies: 5
Views: 176
Posted By njlarsen
There are several versions of Sibley, the big...

There are several versions of Sibley, the big book; east and west smaller books; and the app version. I have the latter. The text especially might differ a little between versions.

Niels
Forum: Bird Identification Q&A Sunday 13th May 2018, 01:51
Replies: 5
Views: 176
Posted By njlarsen
I am actually leaning the opposite direction....

I am actually leaning the opposite direction. Even without the tail tip, you can still see the dark edge and rufous (or at least brighter if that is part of your color blindness) on most of the tail...
Forum: Bird Taxonomy and Nomenclature Sunday 13th May 2018, 01:18
Replies: 12
Views: 863
Posted By njlarsen
But on the other hand: in some contexts, a result...

But on the other hand: in some contexts, a result that has been talked about at a conference is already considered published. For example, you cannot patent something if a part of it has been talked...
Forum: Bird Taxonomy and Nomenclature Saturday 12th May 2018, 19:24
Replies: 4
Views: 416
Posted By njlarsen
I am not enough of a statistician to truly...

I am not enough of a statistician to truly evaluate the merits of this paper. However, In the intro, Thomas gives some good arguments for why it is worthwhile to at least try to improve on status...
Forum: Computers, Birding Software And The Internet Saturday 12th May 2018, 14:08
Replies: 4
Views: 123
Posted By njlarsen
As far as I know, microsoft office can also be...

As far as I know, microsoft office can also be bought on apple products. Same for photo products from Adobe, ACDSee, etc.

Whether that change would work for you is up to you. Most people who have...
Forum: Bird Identification Q&A Friday 11th May 2018, 18:43
Replies: 7
Views: 198
Posted By njlarsen
Compare with...

Compare with https://www.birdforum.net/gallery/showphoto.php?photo=595303 and imagine that bird progressed further towards full summer plumage.

Yours also seems to have the wrong bill color for...
Forum: Mexico Friday 11th May 2018, 14:07
Replies: 3
Views: 98
Posted By njlarsen
Julian, you do not name the level of cost you are...

Julian, you do not name the level of cost you are prepared to incur?

A rather expensive option but set in a wonderful park with birding on ground and within easy reach in a car would be Hacienda...
Forum: Bird Identification Q&A Friday 11th May 2018, 02:20
Replies: 8
Views: 312
Posted By njlarsen
You are most likely right. And I have seen a few...

You are most likely right. And I have seen a few Iguanas in Florida be mighty large compared to a RsHa. However, I was curious if there was something like poisonous skin on the species that is feral...
Forum: Bird Identification Q&A Thursday 10th May 2018, 20:56
Replies: 8
Views: 312
Posted By njlarsen
Why would they not? The iguanas where I used to...

Why would they not? The iguanas where I used to live were considered good food (chicken-like taste according to those who have tasted the by now threatened species).

Niels
Forum: Bird Identification Q&A Wednesday 9th May 2018, 13:25
Replies: 11
Views: 427
Posted By njlarsen
Pavel, I think you are at the point where...

Pavel,
I think you are at the point where misjudging the distance means that you have misjudged the size of the bird. It happens for all of us, we as human beings are really poor at determining...
Forum: Mexico Tuesday 8th May 2018, 15:21
Replies: 2
Views: 72
Posted By njlarsen
I agree the Howell and Web book is the best....

I agree the Howell and Web book is the best.

The nearest second option to me would be Fagan and Kumar: https://www.amazon.com/Peterson-Northern-Central-America-Guides/dp/054437326X

This book is...
Forum: Panasonic Tuesday 8th May 2018, 13:10
Replies: 111
Views: 17,130
Posted By njlarsen
The fact that the PDAF points are on the actual...

The fact that the PDAF points are on the actual sensor and not on a separate sensor like in dSLR would theoretically mean that the need for AF fine tune should be very small???

Niels
Forum: Bird Identification Q&A Tuesday 8th May 2018, 03:09
Replies: 4
Views: 148
Posted By njlarsen
BcHummer or RtHummer? I think we are still...

BcHummer or RtHummer? I think we are still sufficiently in migration period that you cannot exclude either.

Niels
Forum: Bird Identification Q&A Tuesday 8th May 2018, 03:07
Replies: 5
Views: 260
Posted By njlarsen
The two tail feathers I see most clearly have a...

The two tail feathers I see most clearly have a clear brown outer vane going across the end of the feather = Ash-throated. I do not see a conflict with the bill.

Niels
Forum: Computers, Birding Software And The Internet Sunday 6th May 2018, 00:32
Replies: 15
Views: 516
Posted By njlarsen
Sometimes an item in the app store is available...

Sometimes an item in the app store is available only in some countries and not in others. I have been cought by that several times.

Niels
Forum: Bird Identification Q&A Thursday 3rd May 2018, 00:38
Replies: 10
Views: 250
Posted By njlarsen
And additionally: migratory or local (Chivi)...

And additionally: migratory or local (Chivi) ReV?

Niels
Forum: Bird Identification Q&A Thursday 3rd May 2018, 00:36
Replies: 3
Views: 150
Posted By njlarsen
A very dark image of a Great Crested...

A very dark image of a Great Crested Flycatcher?

Niels
Forum: Bird Identification Q&A Tuesday 1st May 2018, 23:36
Replies: 3
Views: 150
Posted By njlarsen
You are correct in having both yellowlegs Niels

You are correct in having both yellowlegs

Niels
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