When do robins leave Delaware?

The American Robin does not leave Delaware: it is reported all year, from 24% of checklists in the second week of January to 58% in the second week of April.

When is the best time to see robins in Delaware?

The American Robin is reported most often in the second week of April, on about 58% of Delaware checklists.

American Robin · Turdus migratorius

When Do Robins Arrive in Delaware?

Photo: northerly, CC BY 4.0 via iNaturalist

The American Robin is in Delaware all year. It turns up on about 58% of checklists at its peak (the second week of April) and on 24% in its quietest week (the second week of January).

When to look

PresentAll year

Peak weekApr 8-14the second week of April

Quietest weekJan 8-14the second week of January

Best: the second week of April. Here all year. Peak: on about 58% of Delaware checklists.

Jancommon
Febcommon
Marpeak season
Aprpeak season
Maypeak season
Junpeak season
Julpeak season
Augcommon
Sepcommon
Octcommon
Novcommon
Deccommon

Darker months: more checklists report it. Outlined: peak month.

Robins in Delaware, species by species

Species	First arrivals	Common by	Peak	Most gone by	Peak %
American Robin	all year	–	Apr 8-14	–	58%

American Robin

Share of complete checklists reporting each species, by week (4 per month). Gaps: fewer than 10 checklists that week.

Frequency is the share of complete checklists in Delaware that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

Where in Delaware

Best counties for American Robin

Share of checklists at the peak

New Castle CountyBest late May · 2154 checklists that week, 72,140 in all75%
Kent CountyBest the second week of April · 746 checklists that week, 36,693 in all52%
Sussex CountyBest the second week of April · 1875 checklists that week, 91,027 in all49%

Common questions

When do robins arrive in Delaware?: The American Robin is in Delaware all year. It turns up on about 58% of checklists at its peak (the second week of April) and on 24% in its quietest week (the second week of January).
When do robins leave Delaware?: The American Robin does not leave Delaware: it is reported all year, from 24% of checklists in the second week of January to 58% in the second week of April.
When is the best time to see robins in Delaware?: The American Robin is reported most often in the second week of April, on about 58% of Delaware checklists.