20533
Here we determined if shifts in parental care and corticosterone had carry - over effects on future reproductive effort in the rufous - and - white wren ( Thryophilus rufalbus ) , a host of the Central American striped cuckoo ( Tapera naevia ) .
 Chemical: corticosterone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: corticosterone