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[[circled]]80[[/circled]] [[underline]]comparative[[/underline]] rarity of nuclear species. July 23, 1965 Valley of Rio Urrao This morning, I will go along same path that was followed yesterday afternoon. SEE TODAY'S NOTES ON MIXED DIGLOSSIA 6:17 am 9475 ft. See group of at least 4 [[underline]]Pseudospingus. [[/underline]] Edge forest. Flitting about in trees and scrub. 6 - 35 ft up. Very noisy. Lots of "chattering" Greetings. [[underline]] But apparently alone. [[/underline]] Then Acom [[check mark]] j ---> [[underline]] Pseudospingus [[/underline]]. Apparently "coincidental". The wind is terrifically strong now! On way up hill, hear quite a lot more Yellow faces Singing. But little or nothing else. Then see pair Yellow faces alone. 15 ft up in trees Uttering occasional Song phrases. Some single Sooty Thrushes alone in pasture with dead trees 6:53 Area where big mixed flock with both Cy and Brun was seen yesterday afternoon is now [[underline]] completely [[/underline]] devoid of birds. Just below 10,000 ft. See single Sooty Thrush alone. 30 ft up in tree tops. Uttering Alarm Calls. A few feet further on, catch brief glimpse Cy [[check mark]] [[underline]] 1 ft [[/underline]] up in scrib along path. [[margin, in red]] Cy [[/margin]] Possibly there are other birds nearby. But I can't see them. Only hear confused noises. Around 10,000 ft. I can hear quite a lot more birds without being able to see them. 7:15 am Light rain starts.