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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

West African Crested and Royal Terns (1 Viewer)

Markus Lagerqvist

Well-known member
Sweden
Barlow, C R, Waine, J, White J, Collinson, J M, Garrett, K L & Tye, A. 2022. Bill and skull metrics of American Thalasseus maximus and West African T albididorsalis "Royal" Terns amend previously reported size differences and explain distinctive shapes. Malimbus 44: 101-116.

Summary of the findings here:
 
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