Ornithological notes

By Peter Boesman
2 years 1 month ago

In the following we briefly analyze and compare voice of the two races of Yellow-bellied Siskin (Carduelis xanthogastra). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 1 month ago

In the following we briefly analyze and compare voice of the different races of Long-billed Gnatwren (Ramphocaenus melanurus). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 1 month ago

In the following we briefly analyze and compare voice of the different races of Andean Solitaire (Myadestes ralloides). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 2 months ago

In the following we briefly analyze and compare voice of the three races of Blue Fantail (Rhipidura superciliaris). We also try to quantify the extent of any vocal differences...

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By Peter Boesman
2 years 2 months ago

In the following we briefly analyze and compare voice of the different races of Blue-headed Fantail (Rhipidura cyaniceps). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 2 months ago

In the following we briefly analyze and compare voice of the three races of White-vented Whistler (Pachycephala homeyeri). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 3 months ago

In the following we briefly analyze and compare voice of the different races of Little Spiderhunter (Arachnothera longirostra). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 3 months ago

In the following we briefly analyze and compare voice of the two races of Grey-mantled Wren (Odontorchilus branickii). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 3 months ago

In the following we briefly analyze and compare voice of the different races of Oriental Magpie-robin (Copsychus saularis). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 3 months ago

In the following we briefly analyze and compare voice of the different races of Slender-billed Crow (Corvus enca). We also try to quantify the extent of any vocal differences...

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