The former MoD UFO investigator has suggested that alien monitoring devices could be disguised as common animals.
An obscure breed of pigeon from Budapest is certainly one of the most peculiar birds you are likely to see.
A CCTV camera captured the bizarre moment a huge flock of birds flew straight into the pavement.
You might not have heard them do it, but fish are capable of making all manner of croaks, chirps and other sounds.
The streets of Chongzuo City were filled with large flightless birds at the weekend after 80 ostriches escaped from a local farm.
A bird with a particular penchant for laying eggs with black yolks has recently gone viral on social media.
Researchers were shocked to discover that the vegetarian reptiles have started hunting down prey.
The distinctive bird is among 23 species in the US that are about to be declared officially extinct by authorities.
Ravens seem to have developed a severe dislike of delivery drones in the skies over Canberra, Australia.
A young girl buried in a European cave centuries ago was discovered with the head of a finch in her mouth.
An extremely rare bird that hadn't been seen in almost two centuries has turned up again in Indonesia.
Newly declassified CIA documents have revealed details of a secretive Cold War spy drone that looked like a bird.
A 3,000-year-old clay figurine found in China bears more than a passing resemblance to the pigs from Angry Birds.
The lack of visitors to the iconic Scottish loch during lockdown has made it possible for nature to take over.
The spectacle of a bird catching an enormous fish has been captured on film at South Carolina's Myrtle Beach.
One of the smallest ever dinosaur fossils has been found remarkably well preserved in a chunk of amber.
A very strange video clip recently uploaded onto Facebook shows a bird seemingly frozen in mid-air.
A huge flock of several thousand birds swarmed around disconcerted shoppers outside a store in Texas recently.
Palaeontologists have compared the feathers of a 120 million-year-old dinosaur to those of modern birds.
Authorities are investigating what might have caused an entire flock of starlings to suddenly drop dead.