Northern Rough-wing swallow adult or juvenile something else?
http://www.flickr.co...N05/7268301330/
This first yr. orchard oriole was singing his heart out. Will he breed this year?
http://www.flickr.co...N05/7268299880/
2 replies to this topic
#2
psweet
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Posted 25 May 2012 - 04:51 PM
Think you're right on the first one, probably an adult.
If the orioles are anything like our tanagers, he's capable of breeding, but he's unlikely to hold a territory or find a mate unless he's in an area with very low population density. (Wouldn't expect that to be the case in TN, but I could be wrong.) The usual explanation for delayed plumage maturation is to avoid conflicts with older males until you have a reasonably good chance of successfully breeding.
If the orioles are anything like our tanagers, he's capable of breeding, but he's unlikely to hold a territory or find a mate unless he's in an area with very low population density. (Wouldn't expect that to be the case in TN, but I could be wrong.) The usual explanation for delayed plumage maturation is to avoid conflicts with older males until you have a reasonably good chance of successfully breeding.
#3
hbvol
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hbvol
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Posted 25 May 2012 - 04:54 PM
I have seen at least two pairs of adults in this area earlier in the spring and saw one pair about of a quarter of a mile away todayThink you're right on the first one, probably an adult.
If the orioles are anything like our tanagers, he's capable of breeding, but he's unlikely to hold a territory or find a mate unless he's in an area with very low population density. (Wouldn't expect that to be the case in TN, but I could be wrong.) The usual explanation for delayed plumage maturation is to avoid conflicts with older males until you have a reasonably good chance of successfully breeding.
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