Excitation Filter (nm) Grade without filter Grade with lowest filter number Grade with middle filter number Grade with highest filter number
280-413 2 1 2 0
385-469 1 2 3 1
385-509 1 1 3 1
468-526 0 0 1 0
473-548 0 0 1 0
491-548 0 0 0 0
503-591 0 0 0 0
Table 2: Summary of fingerprint grades for the Lapwing egg.