Birding/mourning doves

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Question
QUESTION: I live on the 14th floor of an apartment building and have
mourning doves that made a nest in my coconut planter.  One egg.  The first one hatched then fly away healthy and still comes back to visit.  However the mama laid another egg about 8 days ago and has been sitting on the nest as always.  But when I went home from work yesterday she was gone.  I went and looked in the nest and there was no egg.  Not even any shell pieces.
What happened.  I live in Hawai'i and on the 14th floor.
Any ideas?

ANSWER: Sounds like a predator got to the egg and maybe the female as well. A hawk, jay, crow, rat, mongoose, or whatever probably got to them. The mother can't move the egg herself so something else did.

---------- FOLLOW-UP ----------

QUESTION: I am hoping a rat did not climb up the outside of my building to the 14th floor and I do not believe moongoose can climb.  So going with another
bird.  I have never seen any bigger birds on my lanai but it must have happened.
Thank you for the answer and am now worried about rats.  Would a ring neck dove/ pigeon be able or want to move it?

Answer
Rats can get everywhere; you would be amazed. Pigeons may nest elsewhere if they are disturbed enough times. Mongooses can climb but probably not 14 stories. A predator bird is most likely, I agree.

Chupacabra? Very funny.
You gave me an 8 on knowledgability? I guess I was supposed to know exactly what happened from you description? Also very funny

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Roger Lederer

Expertise

Any and all about WILD birds - the science of ornithology. Information about birdwatching, ecology, conservation, migration, behavior, banding, rehabilitation, feeding, songs, binoculars, identification, and careers in ornithology. No questions about pet or caged birds, please.

Experience

Have a PhD and over forty years as a professional ornithologist - research, teaching, author, speaker, webmaster of Ornithology.com . Have written thirty scientific papers, three bird field guides, a textbook in ecology four other bird books, the latest being "Beaks, Bones, and Bird Songs". Have traveled to 100 countries watching birds and have spoken to hundreds of groups about birds.

Education/Credentials
PhD in Zoology/Ornithology; Emeritus Professor of Biological Sciences; former Dean of the College of Natural Sciences at California State University, Chico

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