This graceful swan is from The World of Origami by Isao Honda. It can take some practice to achieve the angles you want in the head and neck, so we suggest saving your fancy paper until you have the process down. Read more at http://www.all-about-origami.com/origami-swan.html
"The origami crane is one of the most celebrated paper folding projects
of all time. It's often the first project that beginning paper folders
learn how to make once they decide they're interested in origami." - Dana
Hinders Dana Hinders from The Spuce Crafts, will show you how its done.
You can view the origami crane tutorial here.
I found a tutorial on how to make these 3D Origami Hearts which Jessica Jones shared on her blog called How About Orange. She learned how to make these hearts by following this video tutorial by Samuel Tsang.