Summer at London Wetland Centre
It's summer at WWT London Wetland Centre.
Find out how you can get a closer look at the sand martin colony, and what else you might spot at the Centre over the next few months.
There's been some drama on the nearby peregrine nest - and we hear from nature film maker on how he started filming wildlife.
The podcast is also available on iTunes, where you can listen and subscribe
Find out more
Here's a clip of the sand martin nest bank camera
Mike the Reserve Warden's photos on Flickr - A warden's eye view of London Wetland Centre
Fulham and Barnes peregrines - Nathalie's blog on our local peregrines
Natureonscreen - Adam's wildlife film website