The article highlights the presence and song of male skylarks as they travel across Estonia to their breeding grounds. On sunny spring days, their melodic singing fills the air, marking the arrival of early spring. This sound is as much a part of the Estonian spring experience as other seasonal indicators like the blooming of blue flowers, the first buzzing of butterflies, the dripping of sap from maple trees, and the budding of willow catkins.

Skylarks are a significant symbol of spring in Estonia, representing the vitality and renewal that comes with the changing seasons. Their song is not only a natural phenomenon but also a cultural emblem, echoing the feelings associated with the awakening of nature and the warmth of the sun after the cold winter months.

The mention of various other spring signs alongside the skylark's song speaks to the interconnectedness of nature and the rich tapestry of life that flourishes in Estonia during this vibrant season. The article serves as a reminder of the beauty and complexity of the natural world, encouraging readers to appreciate the sounds and sights that herald the arrival of spring.