Ornithological notes

By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the different races of Wedge-tailed Grass-finch (Emberizoides herbicola). We also try to quantify the extent of any...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the different races of Greyish Saltator (Saltator coerulescens). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the different races of White-bellied Seedeater (Sporophila leucoptera). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the three races of Tit-like Dacnis (Xenodacnis parina). We also try to quantify the extent of any vocal differences...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the three races of Paramo Seedeater (Catamenia homochroa). We also try to quantify the extent of any vocal differences...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the two races of Yellow-bridled Finch (Melanodera xanthogramma). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the two races of Canary-winged Finch (Melanodera melanodera). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the different races of Blue-backed Conebill (Conirostrum sitticolor). We also try to quantify the extent of any vocal...

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of Blackish-blue Seedeater (Amaurospiza moesta), Blue Seedeater (A. concolor) and Carrizal Blue Seedeater (A....

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By Peter Boesman
2 years 4 months ago

In the following we briefly analyze and compare voice of the three races of Cinereous Conebill (Conirostrum cinereum). We also try to quantify the extent of any vocal...

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