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Field note

Owl in 1960s: Hearing labs

[366] [desk-owl-8] In 1960s, the field log for Owl is headed “Hearing labs.” The figure kept beside that heading is 80. It is a count or a date from the work, not a rank of the species’ worth. A zoo birthday card does not replace the log. Masakazu Konishi’s barn-owl auditory-space work became a textbook of computational neuroethology.

Are owls wise in the biological sense? Corvids and parrots outscore owls on many lab tasks. The “wise owl” is Athena’s bird, not a working-memory ranking. Why did Harry Potter use a snowy owl? Hedwig is Bubo scandiacus, an Arctic lemming specialist. The films made a tundra bird the global pet-owl image — and briefly spiked illegal trade.

Tyto alba can lay 2–12 eggs when vole cycles peak. Nest-box programmes in UK barns track that boom-bust directly. What is Blakiston’s fish owl’s status? Ketupa blakistoni is Endangered. Riparian old growth in Hokkaido and the Russian Far East is the binding constraint. Do owls turn their heads all the way around?

About 270 degrees, not 360. Extra cervical vertebrae and vascular loops keep blood flowing during the twist. Yes. Street lighting, park voles and road mortality now shape Strix aluco densities in European cities as much as woodland area. Owl is one of 24 types in this animals atlas. The pages treat it as a full system -- history, anatomy, operating principles, culture, icons, future pressure and market shape -- not a ranking of a best species.

Keep 1960s, “Hearing labs,” and 80 together or the note on Owl stops being that year’s record.1960s

Figures to keep

Year of the note
1960s
Figure to keep
80
Species
Owl
Line in the log
Hearing labs

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