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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Recent content by cajanuma

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    Trochilidae

    In their Photo Guide to the Birds of Chile, Steve Howell and Fabrice Schmitt already treated peruviana and gigas as two different 'entities', Andean Giant Hummingbird and Chilean Giant Hummingbird respectively. They describe some plumage and structural differences. They say their ranges don't...
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    Owling trip to the Philippines and Indonesia, including Sulu.

    Some British herpers recently returned from there: Explore Herpetology | Herping Tours - Western Mindanao 2024 Looks like they had good local contacts
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    Trochilidae

    At least from where I am I need to purchase it, no free access
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    Trochilidae

    I also found this very confusing. Looking at the Birds of the World account, it seems like the southern population of nominate gigas is migratory, so maybe it is the resident northern population of gigas that gets described as new? But then where does this leave peruviana? Unless the authors...
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    The 10% Club - Milestones

    I was about to like your post until I came to this last line :LOL:
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    The 10% Club - Milestones

    This was on my list from Hacienda Amazonia, but from 2004, when only the Clements & Shany guide was available, so my ID did not rest on very solid ground. It had been nagging at my conscience for a while, this was the last straw and I have now removed it from my list. The dept. of Putumayo in...
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    Name a Bird You've Seen 2

    Can I still play off it though? Because I see some emerald gloss in its plumage, which takes me to #9693 Emerald-chinned Hummingbird: ML532197841 - Emerald-chinned Hummingbird - Macaulay Library
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    Forest-falcon, Minca, Colombia

    OK, thanks, and let me walk back my ID as I was unaware that some juv Barred Forest-Falcons can look quite a bit like this one! It's probably best to wait for someone more knowlegable than me to wheigh in.
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    Forest-falcon, Minca, Colombia

    Collared Forest-Falcon. I wonder what the other proposed ID was, there aren't any other similar Forest-Falcons in the area.
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    Sporophila

    I get the sense though that they (or at least quite a few members) have seen genetics as one of many data points and not the end-all and be-all. So in the presence of other evidence of reproductive isolation (narrow hybrid zone) the lack of genetic differentiation is not necessarily a problem.
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    Your silliest/most entertaining/unlikely birding accomplishments

    Here's one that's quite unlikely: a friend of mine has seen exactly two Western Sandpipers his entire life, yet has that species in four different countries. We watched one together in Jan 2017 on a sandbank in the Putumayo river that marks the boundary between Colombia and Peru (AFAIK, the...
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    Phylloscopidae

    It doesn't look like it has any new information, just a review of prior publications, but I agree that if Iberian Chiffchaff is considered a separate species, then so should Siberian.
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    Extremely poor picture, but is this a female magnolia warbler by any chance? South FL march 24

    Not a great photo as you say, but just based on that huge eyering alone I would go with Blue-headed Vireo
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    Colombia's Rare birds - as they become accessible

    This would be Paramo Bordoncillo I imagine? Probably the best site anywhere for Chestnut-bellied Cotinga but it can be plagued by fog so it is by no means guaranteed there. One of the better sites for Masked Mountain-Tanager as well
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    Do you count heard only birds on your life list?

    Lawrence's Thrush is one of the most skilled mimics of all. But even then, within one bout of singing it will switch from one species to the next numerous times, so with a little bit of listening it's easy to figure out you are hearing the thrush and not 15-20 different species singing in rapid...
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