How do giraffes use their height to feed differently from other browsing mammals?

Giraffes use their exceptional height to access food sources that are physically unreachable for most other herbivores. By utilizing their long necks, they can browse foliage up to 6 meters (20 feet) above the ground, effectively reducing competition for food with other grazing and browsing mammals.123

This vertical reach allows giraffes to target new, tender shoots and leaves, particularly from thorny acacia trees, which other animals cannot easily access. To manage these thorny branches, giraffes have evolved specialized adaptations, including a long, prehensile tongue and tough tissue lining the mouth, which allow them to navigate around thorns and strip leaves from stems.13

While other artiodactyls may compete for grass or lower-level vegetation, the giraffe’s stature enables it to occupy a unique feeding niche in the savanna ecosystem. This height-based feeding strategy is a critical adaptation that supports their survival in environments where food resources are often partitioned among different species based on their physical capabilities and feeding heights.4512