Why can't cats have tubular bones? - briefly
Cats lack tubular bones because their skeletal structure is adapted for agility, flexibility, and hunting, requiring lightweight yet strong bones optimized for movement rather than hollow, tubular designs.
Why can't cats have tubular bones? - in detail
Cats cannot have tubular bones primarily due to their unique anatomical and physiological adaptations that have evolved to support their predatory lifestyle and agile movement. Tubular bones, which are hollow and lightweight, are typically found in birds and are optimized for flight. In contrast, cats require bones that are dense and strong to withstand the physical demands of their hunting behaviors, such as pouncing, climbing, and sprinting. The compact structure of feline bones provides the necessary strength and durability to absorb the impact of sudden movements and to support their muscular bodies. Additionally, cats rely on a highly flexible skeletal system, particularly in their spine, which allows for exceptional agility and balance. Tubular bones, being hollow, would compromise the structural integrity needed for such flexibility and force absorption. Furthermore, cats' bones are adapted to store and release calcium efficiently, which is crucial for their overall health and muscle function. Hollow bones would not provide the same capacity for mineral storage, potentially leading to deficiencies. Evolutionarily, cats have developed a skeletal system that perfectly aligns with their ecological niche as agile predators, making tubular bones an unsuitable and disadvantageous adaptation for their survival and success.