The lambing season — late winter to early spring, when ewes give birth requiring intensive shepherd attention day and night — represents the year's most critical and most anxious moment, the investment of the previous year making itself visible as vulnerable new life; A poet might write "he walked the lambing field at midnight with a lantern, the cold making his breath visible, each new lamb a small successful argument against the season's logic"; James Hogg, the Ettrick Shepherd, writes about lambing from direct experience — the exhausted shepherd watching through sleepless nights, the joy of a live delivery mixed with the grief of inevitable losses; In Christian poetry lambing carries the resonance of the Nativity — new life born in cold and darkness, the lamb as the animal whose birth most closely mirrors the theological significance of Christ's entry into the world; The vulnerability of newborn lambs — their need for immediate warmth, feeding, and protection from cold and predators — makes lambing a concentrated image of the fragility of new life and the enormous effort required to sustain it; Contemporary sheep farmers who write poetry, such as those in the tradition of the Shepherd's Calendar, treat lambing as the year's emotional and physical climax — the weeks when everything depends on vigilance, skill, and the willingness to act in the cold dark of the season's worst nights.