Do you know what extension he's on? https://www.masinadevanzare.ro/garten-eden-dietzenbach-ffnungszeiten-a66b.pdf the eden diet workbook  To accomplish this, the prinia could use a simple rule of thumb and reject the odd egg out in a clutch. This strategy only works if host eggs outnumber parasitic eggs. Alternatively, it could reject eggs that differ from a template or memory of what its eggs should look like. The template-based approach, because it is based on memory, is prone to errors, as well. And the more closely the parasitic eggs resemble the host eggs, the more difficult the decision to reject or accept. There is wiggle room for the cuckoo finches to exploit either the sensory task or the cognitive task.