Birds in New York State Have Altered Their Migration Timing and Are Experiencing Different Thermal Regimes While Breeding or on Stopover from 2010 to 2015
Table 4
Migration timing changes and significant environmental temperature changes experienced by species showing a two-stopover migration strategy through Essex and Franklin counties in the Adirondack region. Migration patterns were determined using data from the Cornell lab of ornithology and Zuckerberg et al. [23].
Correlation
Species common name
value
Pattern
Type of bird
Migration pattern
Year versus spring arrival date
Tennessee Warbler
0.001
Earlier
Passerine
Long distance
Spring arrival date versus temperature on day of spring arrival
Common Nighthawk
0.002
Colder
Nightjar
Long distance
Number of days in Essex and Franklin counties during spring versus maximum temperature for spring time in Essex and Franklin Counties
Horned Lark
0.003
Warmer
Passerine
Short distance
Northern Shrike
0.003
Warmer
Passerine
Long distance
Number of days in Essex and Franklin counties during spring migration versus minimum temperature for time in Essex and Franklin counties during spring migration
Bufflehead
0.002
Colder
Waterfowl
Medium distance
Northern Pintail
0.002
Colder
Waterfowl
Short distance
Spring departure date versus mean temperature for time in Essex and Franklin counties
Northern Shrike
0.003
Colder
Passerine
Long distance
Fall arrival date versus temperature on day of fall arrival
Bay-Breasted Warbler
0.001
Colder
Passerine
Long distance
Fall departure date versus temperature on day of fall departure
Cape May Warbler
0.002
Colder
Passerine
Long distance
Greater Yellowlegs
0.001
Colder
Shorebird
Long distance
Number of days in Essex and Franklin counties during fall migration versus maximum temperature for time in Essex and Franklin counties
Horned Lark
<0.001
Warmer
Passerine
Short distance
Year versus number of days in spring stopover
Lesser Scaup
0.001
More days
Waterfowl
Long distance
Year versus number of days in fall stopover
Solitary Sandpiper
0.003
More days
Shorebird
Long distance
Year versus total number of days in Essex and Franklin counties