10,000 Birds

SEPTEMBER 24, 2020

When I saw the NL Pure in a webinar for the first time, immediately – before the webinar ended, I asked my Swarovski sales rep for a pair to test. That is my impression, though Swarovski webinar claimed that NLs have 20% wider field of view than ELs – and also the widest field of view of any binoculars ever!

Birds 122

Birds Ducks Feral Serbia 122

10,000 Birds

APRIL 4, 2023

.” They conclude that many non-vocalizing Empidonax flycatchers can be identified in the field, but only “when several field characters are used in combination–and after one has gained experience in looking at these characters on singing/calling and captive birds (i.e., known-identity).”**

Species 105

Species Birds North America Los Angeles 105

10,000 Birds

APRIL 5, 2022

Less and Gilroy sort through the exogenous (external) and endogenous (internal) factors thought to cause vagrancy and the scientific experiments that have sought to prove their significance with patience and plain language as well as charts and photographs. It’s not always easy reading.

Birds 105

Birds Eagles Geese Species 105