 
 <prompt> ```Wia migrations dey happun? Given di previus kweshon, write one context wey get di ansa. E fit be 1 - 20 sentences. Context:``` <response>: Short-distance passerine migrants get two evolutionary origins. Those wey get long-distance migrants for di same family, like di common chiffchaff Phylloscopus collybita, na species wey come from di southern hemisphere wey don dey reduce dia return migration to stay for di northern hemisphere. 