A red kite drifts overhead as Chris Packham and Michaela Strachan wax lyrical about the wildlife to be seen in a corner of Norfolk which is being given back to nature.
The two presenters are back at Wild Ken Hill at Snettisham for Winterwatch - part of the BBC's flagship nature series, which focuses on our countryside through the changing seasons.
Parts of the estate, which stretches from the chalk downs to the edge of The Wash, are being re-wilded, while others are regeneratively-farmed.
From its first episode, broadcast on Tuesday night, the team's array of cameras, concealed around the farm, have been capturing some surprises.
"I like the things you can't plan," said Mr Packham. "Last night, jack snipe were on the programme - that's a surprise to see those birds here.
Winterwatch-Dboo-190122-2612e01e
"We've put down a deer carcass hoping to attract scavenging birds and animals - red kites and buzzards, foxes at night.
"But another deer approaches it and behaves in quite an unusual way."
As Ms Strachan reveals her favourite amid Wild Ken Hill's diverse inhabitants, a pair take to their heels across the fields.
"I've always been a big fan of the hares here," she said. "I've never seen so many hares in one place."
Winterwatch follows on from Springwatch and Autumnwatch, which were both broadcast from Wild Ken Hill.
Dominic Buscall, who is project manager for the rewilding and regenerative farming projects, said: "We continue to get fantastic engagement and interest in the work we're doing.
"We've brought important ideas like regenerative farming to a mass audience. I think people are beginning to understand how bad the nature crisis is and how it's linked to climate change."
The show is doing its bit when it comes to going carbon-neutral.
Power is generated by a whispering hydrogen-powered generator presided over by Alan Hobbs, field service engineer with renewable energy firm GeoPura.
Fuel cells extract electricity from the gas, while the only emission produced is clean water which trickles into a drum. Mr Hobbs sloshes some over his hands to prove the point.
"That's the exhaust," he said. "I wouldn't like to do that with a diesel generator."
Footage from remote cameras is broadcast back to mission control, in the shape of mobile studios containing batteries of screens.
Several are trained on different areas of the enclosure where beavers have been released and reared at least one kit.
What to watch for
Viewers are being given a tick list of things to watch out for during the show's two-week run. They include:
Starling murmuration
Lesser Celandine flowering
Winter gnats
Mammal tracks
Whistling wigeon
Nest building herons
Red deer
Identifying winter trees
Harvest mouse nests
Goldeneye
Brambling
Snow fleas
Winterwatch is being broadcast on BBC 2 on Thursday, Friday, Tuesday, Wednesday, Thursday and Friday (all 8pm).
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