This catalog from the Max Geisler Bird Co. is clearly pre-1900. The picture is interesting on the cover the little girl offering a parrot of no discernible species would appear to be a cookie or a cracker with the term “Human Talker” above the couple.

How can you argue with the power of magic when it comes to feeding your bird? This food claims to work for any bird well or sick and improve its feathers and voice. It was appropriate for all seed-eating birds – according to the label.

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These instructions are found on bags of Roudybush bird food

 
Birds that had never been fed pellets or crumbles generally do not recognize the is food at first.

Also, pellets are lower in fat than seeds, so at first most birds will not like them as much as seeds.
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