clutch initiation

Noun

(ecology) lay date. This has relevance to avian breeding habits.

Japanese Meaning

産卵開始期、すなわち鳥が卵を産み始める時期

Researchers recorded clutch initiation in early April as temperatures rose and food availability increased.

研究者は気温が上昇し、餌の量が増えたことから、4月上旬の産卵開始日を記録した。

Sense（1）

(ecology) lay date. This has relevance to avian breeding habits.

clutch initiations

（ plural ）