Table 4.
Distribution of the number of cases on different conditions (binocular, N–T, T–N)
| Binocular | Owls tested | N–T | Owls tested | T–N | Owls tested | |
|---|---|---|---|---|---|---|
| # | 1380 | 6 | 1642 | 6 | 2335 | 6 |
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