Since there’s little information to find on seabird abundances and phenology off Guatemala’s Pacific coast – especially if you’re not trying to dig into and make sense of single ebird checklists (which unfortunately often contain …
Continue readingSchlagwort: aging
Age-related differences in iris color in Band-backed Wren
Band-backed Wren / Tigerzaunkönig (Campylorhynchus zonatus) is a large wren distributed from Mexico to Ecuador where it also frequents high altitudes up to 3000 m. It breeds cooperatively, which means that breeding pairs get help …
Continue readingGreat Northern Diver
Today I joined the twitch of a Great Northern Diver (Gavia immer) at Neue Donau, Vienna. The bird was reported as an adult yesterday and was still present at noon. It showed very well at …
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