RT @czechcuckoolab: We wonder how many great reed warblers ringed as chicks 🐣 will return in 2018. There were 22 such birds in 2017; for pr…
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373 followers
RT @czechcuckoolab: We wonder how many great reed warblers ringed as chicks 🐣 will return in 2018. There were 22 such birds in 2017; for pr…
780 followers
RT @czechcuckoolab: We wonder how many great reed warblers ringed as chicks 🐣 will return in 2018. There were 22 such birds in 2017; for pr…
1,449 followers
We wonder how many great reed warblers ringed as chicks 🐣 will return in 2018. There were 22 such birds in 2017; for previous years see https://t.co/M1sJ3VFlRV #ornithology #birdmigration #natalphilopatry #birdringing https://t.co/IrFFN4ymvS