The crane and viper love story could be a very unique one. Maybe the crane, with its elegant form, was initially attracted to the viper's mysterious allure. However, in nature, they are very different creatures. The crane might be drawn to the viper's sinuous movements. But their relationship would face many challenges, like their different habitats and ways of life. For example, the crane is often associated with open skies and wetlands, while the viper prefers more secluded and often darker places on the ground.
The moral might be about acceptance. The crane and viper are so different, yet if they are in love, it means they have to accept each other's ways. The crane has to accept the viper's ground - dwelling and often solitary nature, and the viper has to accept the crane's aerial and more social side. It's a lesson in embracing differences in a relationship.
There may not be a very common or well - known 'crane and viper love fanfiction' in general. However, you could also check some specialized animal - themed fanfiction communities or forums. Post a request there, and perhaps someone who is into creating or collecting such unique fanfictions can point you in the right direction.
One place to look for crane and viper love fanfiction is FanFiction.net. It has a wide range of fan - created stories, and you can use the search function to look for stories involving cranes and vipers in a romantic context.
One idea could be a story where Crane and Viper are forced to team up on a dangerous mission. They start off distrusting each other but gradually learn to work together and become friends. Another could be a pre - story about their training days and how they developed their unique skills.
Friendship is also a popular theme. The fanfiction might explore how their relationship develops from being strangers or rivals to becoming friends. It could show their interactions, how they learn to trust and rely on each other.
One idea could be a story where Viper and Crane have to team up for a special mission in the Valley of Peace. Maybe they have to rescue a group of baby pandas that have been kidnapped by a new enemy. They could use their unique skills, Viper's slithering and Crane's flying, to outwit the bad guys.
I'm not sure specifically about Crane and Viper pregnant fanfiction. However, you can try searching on fanfiction websites like Archive of Our Own. There might be some stories there if they are part of a well - known fandom.