Latest Research

Sparrowhawk, photograph by Jill Pakenham

Applying new statistical methods to garden bird data

Many biological datasets have a spike in the number of observations at zero – i.e. when a species wasn’t recorded – which can be difficult to analyse. A new statistical approach, developed using data from the BTO’s Garden Bird Feeding Survey, has neatly addressed this issue, and provided new insights into a complex problem.

Long-eared Bat, photograph by Jez Blackburn

BTO research harnesses citizen science to make breakthroughs in bat monitoring

New BTO research shows how data collected by an army of volunteer citizen scientists have been used to map bats in unprecedented detail. The Norfolk Bat Survey began in 2013, and represents a novel way of collecting high-quality and extensive data sets on the distribution and activity of bat species.

Marsh Tit, photograph by Jill Pakenham

Where do Marsh Tits draw the line?

Tit taxonomy is complex, with several species and subspecies reclassified many times since they were first formally described. This paper uses data collected during ringing to examine subspecies in Marsh Tits, with conservation implications for this declining species.

Blackbird. Photograph by Paul Newton

Artificial lighting makes birds late for breakfast

Results from the 2014 Early Bird Survey show that birds arrive later to feed in gardens in areas with high levels of artificial lighting, whether in the town or country.

Zebras by Blaise Martay

Climate change disrupts species’ populations worldwide

Newly published research led by the BTO shows a consistent impact of climate change on biodiversity around the world.