Adult giraffes reach heights of 4. 5 m with a heart-to-head distance of over 2 m. making cranial blood supply challenging. Ultrasound confirmed that the giraffe jugular vein collapses during head movement from ground level to fully erect. https://www.diegojavierfares.com/quick-offer-Little-Ollie-174-Dwarf-Olive-Monrovia-super-sale/