Lady finger seeds being eaten

Usually it is easy to grow lady fingers compared to other seeds ., However in July 2018,it is observed that the lady finger seeds are not germinating and not growing into seedlings.
For example on 6 july 2018, the domain investor, had grown sown some lady finger seeds in a few pots.
However on 7 july 2018, she found the green colour seeds were split in two
Birds, rats , squirrels may be eating the seeds
Any tips to prevent the eating of seeds will be greatly appreciated.

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