DDT (or Deet) is a poison. it changes a cell's DNA and makes the cell do the wrong things. if a bird ingested (ate) some deet, it's sex cell's DNA may change and no longer produce the right proteins for making a baby.
yes birds lay eggs
all birds lay eggs.
yes they can, if there is no male, or if perches are not stabile, than mating can be unsuccessful
Yes, they are birds and birds lay eggs.
Yes All birds lay eggs
They lay eggs
birds lay eggs
amphibians lay eggs, and positively birds lay eggs.
Yes, all birds lay eggs.
All female birds lay eggs. It is how they reproduce.
No. Birds do not lay clear eggs at all to my knowledge.
Since they are birds, they are hatched from eggs.