Innies, outies and omphalophobia: 7 navel-gazing questions about belly buttons answered
Do other mammals have umbilical cords? If yes, what do those animals do about them? Do they cut them off like humans do? - Quora
Why do humans need to cut their umbilical cord but not other mammals or animals? - Quora
Premature lambs grown in a bag | Nature
Do Other Animals Have Belly Buttons? | Mental Floss
Do Dogs Have Belly Buttons?
Do Dogs Have Belly Buttons? | Psychology Today
Animals | Free Full-Text | Clinical Experiences and Mechanism of Action with the Use of Oxytocin Injection at Parturition in Domestic Animals: Effect on the Myometrium and Fetuses
Cutting The Umbilical Cords Of Newborn Rottweiler Puppies - YouTube
Do Dogs Have Belly Buttons? | Psychology Today
Do Dogs Have Belly Buttons? | BeChewy
Do other animals have belly buttons? : r/NoStupidQuestions
Do other mammals have umbilical cords? If yes, what do those animals do about them? Do they cut them off like humans do? - Quora
How Do Other Animals Deal with the Umbilical Cord and Placenta When the Baby is Born?
So ... Do Dogs Have Belly Buttons? – Furtropolis by Outward Hound