Blue tit eggs unhatched after 26 days

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Blue tit eggs unhatched after 26 days

  • How long will she continue to sit on eggs
  • Hi William that's a long time when it says on the BTO website incubation is 13-15 days, but I wonder if they only start full incubation when she's laid all the eggs.

    www.bto.org/.../blue-tit

  • Hi Alan

    Thanks for replying Alan.  They were all laid about 27 days ago.  How long do u think she will sit before giving up?

    William

  • No way of knowing how long before she twigs. Sounds like eggs are infertile to me though.