The answer is: Rams

Exo 25:5

The use of ram skins dyed red is a fascinating detail that offers profound significance in the biblical narrative. Rams, notable members of the sheep family, weren't just ordinary animals; they held a symbolic weight that stretched throughout various scriptures. In the context of the Israelite sacrificial system, the ram was often associated with atonement and sacrifice, reminiscent of the story of Abraham and the binding of Isaac. Instead of sacrificing his son, a ram caught in a thicket provided a substitute, a powerful lesson in mercy and redemption.

When the Israelites constructed the tabernacle, those red-dyed ram skins played a practical role as well. They represented a commitment to God, could withstand the elements, and highlighted the richly crafted nature of Heavenly design. The vibrant red color surely captured attention, perhaps connecting to the way red symbolizes life and sacrifice, an echo of the Passover which later demanded the blood of lambs to stay death's hand while marking their doorposts.

Interestingly, rams were also integral in the rituals of Yom Kippur, where one is slain and the other, the scapegoat, was sent into the wilderness—symbolizing the sins of the people being carried away. In this way, rams are woven into the very fabric of the sacrificial and communal identity of the Israelite people, underscoring their deep spiritual significance. Understanding these animals in their cultural and historical context enriches our appreciation of the intricacies found in the full tapestry of biblical lore.