When should I put out oriole feeders in Delaware?

Around early April, about two weeks before the first orioles typically arrive (mid April).

When should I take down oriole feeders in Delaware?

Around the second week of September, about two weeks after the last regular reports (late August).

Where do these dates come from?

They come from the share of complete checklists in Delaware that report each species, week by week, 2016-2025, not from anecdotal first sightings.

Feeder timing · Delaware

When to Put Out (and Take Down) Oriole Feeders in Delaware

In Delaware, put oriole feeders out around early April and take them down around the second week of September. The first arrivals typically show up in mid April and most are gone by late August.

Put feeders outApr 1-7

First arrivalsApr 15-21

Last seenAug 22-31

Take feeders downSep 8-14

Rule used: feeders go out two weeks before the typical first-arrival week and come down two weeks after the last week birds are still reported. First arrival is the first week reports reach 10% of the species' usual in-season rate; last seen is the last such week. A few early or late birds can fall outside.

By species

Species	Pattern	First arrivals	Peak	Most gone by	Feeder up	Feeder down
Baltimore Oriole	Summer visitor	Apr 15-21	May 8-14	Jun 22-30	Apr 1-7	Aug 1-7
Orchard Oriole	Summer visitor	Apr 15-21	May 8-14	Jul 8-14	Apr 1-7	Sep 8-14

Oriole feeders: orange halves, grape jelly or dilute nectar in a feeder with larger perches; replace jelly and fruit before it spoils.

Common questions

When should I put out oriole feeders in Delaware?: Around early April, about two weeks before the first orioles typically arrive (mid April).
When should I take down oriole feeders in Delaware?: Around the second week of September, about two weeks after the last regular reports (late August).
Where do these dates come from?: They come from the share of complete checklists in Delaware that report each species, week by week, 2016-2025, not from anecdotal first sightings.