The mysterious swifts need saving - and even though it seems a simple enough task, the humans are simply not doing enough to help. Why?

The filmmaker sets his befuddlements aside and heads back to the University Museum’s tower to meet a young female swifter.

Sandra Bouhwuis is continuing David Lack’s scientific study - providing an opportunity to see the birds up close.

Sandra is a professional scientist - but there’s a nurturing aspect to this swifter’s approach that even a filmmaking E grade swifter can detect.

Sandra weighs baby swifts: