BBC News
Published
image captionThe exhausted bird was found at the start of the school day
An ultra-rare bird has been nursed back to health and released into the wild by rescuers.
Only about 85 golden orioles migrate through the UK each year and they are endangered globally, the RSPB says.
However, one was brought to Feline and Wildlife Rescue Nottingham (FAW) after being found too weak to fly at a school in neighbouring Leicestershire.
The team spent several days feeding it before it was strong enough to be released back into the wild.
media captionRescued rare bird takes to the sky
Dales Young Ranger
Muhammed Amin writes about his experience in the Yorkshire Dales National Park and in particular his pleasure when attending a bird box making session in Grassington. Here he writes of his experience and what the young rangers learned on the day. IT was a very bright sunny day. As I arrived at the National Park Centre, I could already hear the twittering of birdsong coming from the trees and I got more excited. We started with Ian and Mark, the two bird ringers explaining their work. Bird ringing is the process of attaching a tag to the leg of a bird with an individual identification number. The age, gender, species and wing size is then noted down. All the information collected is sent to the British Trust for Ornithology (BTO). This information helps track the movements and the life span of the tagged birds.
How many birds are there in the world?
New research estimates there are between 50 billion and 430 billion birds on Earth.
A rooftop flock of pigeons flying over Bushwick, Brooklyn. But how many pigeons are there? For that matter, how many birds are there? A new study attempts to answer.Photograph by George McKenzie Jr
ByDouglas Main
Email
Standing in a northern Everglades marsh in 2015, biologist Corey Callaghan watched as an enormous flock of tree swallows wheeled in the morning sun. As the mass of birds passed overhead, Callaghan and his partner stood in astonishment. Just how many tree swallows were in the flock, he wondered for that matter, how many birds are in the entire world?
How many birds are there in the world? msn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from msn.com Daily Mail and Mail on Sunday newspapers.