How a Rottweiler became surrogate father to an abandoned wolf cub
He is a fully grown Rottweiler. She is a tiny wolf pup.
But that hasn't stopped 18-month-old,150lb dog Ulrok and and eight-week-old cub Beldaran becoming best of friends
They sleep together, frolic in the sun and even howl at the moon in unison - and their unlikely union brings a smile to the face of everyone who sees them.
Beldaran, who weighs just five pounds, was adopted by the Rottweiler when she was just four days old at the Kisma Preserve in Mt Desert, Maine, USA, after she was rejected by her parents.
In an effort to get the pup some maternal care, Heather and her team placed Beldaran with another canine at the centre - Yorkshire Terrier Mia - who had just finished raising her own litter and was still lactating.
But the Yorkie wasn't interested either and made every effort to avoid the pup that was being pushed on her. 'That's when Ulrok stepped up,' said Heather.
'Ever since Beldaran's arrival he had been trying to get involved in everything. He would clean her and when she was making her puppy whimpering he would bound over to investigate.
'He had such a massive interest in her that we decided he would be the best option and we could bottle feed the wolf. It worked out brilliantly.'
Now Ulrok - a rescue dog whose previous owners imported him from Europe and gave him up when they couldn't cope - and his new love eat, drink, play and sleep together.
The duo have also become a huge attraction at the reserve.
Once Beldaran is full size and can fend for herself, Heather plans to gradually introduce her to a group of adult wolves at the park to make sure she stays all wolf and is not alienated from her own species.
'At this stage it has all been about giving her a paternal figure and Ulrok accepted the role gladly.
'At 18 months he is still a puppy in his head and he also needed a companion to play with.
'It was a perfect match. Dogs and wolves are very similar biologically and they both need strong social ties when they develop. 'We'll eventually move Beldaran in with the other wolves in phases but I'm sure her bond with Ulrok will always be there. After all this time together they will never forget each other.'
A baby owl is kept looking spruce thanks to her friend Sophie the spaniel, who licks her clean every day.
The pair have become inseparable since Bramble, the baby eagle owl, was taken in at a bird of prey centre.
Sophie, three, used her maternal nature to give Bramble a quick clean as a chick. Now the bird flies into the main house for a spruce-up every day and sits while Sophie licks her feathers and beak.
Conservationist Sharon Bindon, 43, who runs the bird of prey centre in Liskeard, Cornwall said: 'We have many birds of prey and Sophie has been brought up alongside all of them but they normally stay outside the house.
'But baby owls are born without feathers, so we had to keep Bramble indoors at first. On the first day of having her they were on the settee together and Sophie put her motherly instinct to work and began to clean her.
'From that day on Bramble has had the cleanest beak in the country.' Ms Bindon added: 'Ever since Sophie first cleaned her, Bramble had flapped around to be let out of her cage each day so she can be washed again.
'Bramble has now stared to fly around and we've put her in the aviary but she swoops back all the time for a clean. It's a friendship that will last forever.'
Philomath, OR -- A feisty Chihuahua from Oregon has proved that sometimes, size doesn't matter. The 10-pound dog scared off a neighborhood cougar with a heartfelt growl.
Meet Rosie and Chiquita. They could be the best barkers in the entire city of Philomath. They bark at the door, the gate, even the grass if it moves too quickly. They run out into the yard and they bark.
Each bark has a different tone. Some are playful, some defensive - but on Monday night, Rosie's bark was one of panic.
"It sounded like she was in a lot of pain," said Lindsay Wingert, the dogs' owner.
Immediately, Chiquita went through the doggie door to investigate, as Lindsay opened the blinds, trying to see what was wrong.
Pinning poor Rosie to the ground was a five foot long, 100 pound cougar. Rosie was about to become a cat snack.
"I'm like oh my gosh. I had no idea what to do."
As the cougar let out it's best guttural growl - and as Lindsay grabbed the phone for help - little Chiquita went to work.
With all one foot three inches, flexed for battle, her 10 pound frame let out it's best attack dog imitation...and believe it or not...the cougar let little Rosie go.
"I can't even imagine what it would have been like to see my dog get seriously injured," said a relieved and thankful Wingert. Thanks to her tenacious pup, she won't have to.
Homosexual behaviour is a nearly universal phenomenon in the animal kingdom, according to a new study.
The pairing of same sex couples had previously been observed in more than 1,000 species including penguins, dolphins and primates.
However, in the latest study the authors claim the phenomenon is not only widespread but part of a necessary biological adaptation for the survival of the species.
They found that on the Hawaiian island of Oahu, almost a third of the Laysan albatross population is raised by pairs of two females because of the shortage of males. Through these 'lesbian' unions, Laysan albatross are flourishing. Their existence had been dwindling before the adaptation was noticed.
Other species form same-sex bonds for other reasons, they found. Dolphins have been known engage in same-sex interactions to facilitate group bonding while male-male pairings in locusts killed off the weaker males.
A pair of "gay" penguins recently hatched an egg at a German zoo after being given the egg that had been rejected by its biological parents by keepers.
Writing in Trends in Ecology & Evolution, Dr Nathan Bailey, an evolutionary biologist at California University, said previous studies have failed to consider the evolutionary consequences of homosexuality.
He said same homosexual behaviour was often a product of natural selection to further the survival of the species.
Dr Bailey said: "It's clear same-sex sexual behaviour extends far beyond the well-known examples that dominate both the scientific and popular literature for example, bonobos, dolphins, penguins and fruit flies.
"Same-sex behaviours courtship, mounting or parenting are traits that may have been shaped by natural selection, a basic mechanism of evolution that occurs over successive generations," he said.
"But our review of studies also suggests that these same-sex behaviours might act as selective forces in and of themselves."